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Kussler APDS, Bustamante IC, Negri E, Capp E, Corleta HVE. Timing of semen cryopreservation: before or after processing? REVISTA BRASILEIRA DE GINECOLOGIA E OBSTETRÍCIA 2024; 46:e-rbgo36. [PMID: 38765530 PMCID: PMC11075422 DOI: 10.61622/rbgo/2024rbgo36] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 12/26/2023] [Indexed: 05/22/2024] Open
Abstract
Objective Seminal cryopreservation causes significant damage to the sperm; therefore, different methods of cryopreservation have been studied. The aim of the study was to compare the effects of density gradient processing and washing/centrifugation with seminal plasma removal for cryopreservation in semen parameters. Methods Seminal samples of 26 normozoospermic patients were divided into 3 parts: with seminal plasma; after washing/centrifugation; and after selection through density gradient. The samples were cryopreserved for at least two weeks. Motility, sperm count, morphology and viability were evaluated before cryopreservation and after thawing. Results Density gradient processing selected motile and viable sperm with normal morphology in fresh samples (p<0.05). Cryopreservation negatively affected all sperm parameters regardless of the processing performed, and even if the sperm recovery was lower in the density gradient after the thawing, progressive motility, total motility, viability and morphology remained higher (p<0.05). Conclusion Cryopreservation significantly compromises sperm parameters (motility, morphology, viability). In normozoospermic patients, the density gradients select better quality spermatozoa compared to other processing methods; this benefit was kept after thawing.
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Affiliation(s)
- Ana Paula de Souza Kussler
- Universidade Federal do Rio Grande do SulFaculdade de MedicinaPorto AlegreRSBrazilFaculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
- Generar Reprodução HumanaPorto AlegreRSBrazilGenerar Reprodução Humana, Porto Alegre, RS, Brazil.
| | - Ivan Cunha Bustamante
- Universidade do Vale do TaquariLajeadoRSBrazilUniversidade do Vale do Taquari, Lajeado, RS, Brazil.
| | - Elisa Negri
- Universidade Federal do Rio Grande do SulFaculdade de MedicinaPorto AlegreRSBrazilFaculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
| | - Edison Capp
- Universidade Federal do Rio Grande do SulFaculdade de MedicinaPorto AlegreRSBrazilFaculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
- Hospital de Clínicas de Porto AlegrePorto AlegreRSBrazilHospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil.
| | - Helena von Eye Corleta
- Universidade Federal do Rio Grande do SulFaculdade de MedicinaPorto AlegreRSBrazilFaculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
- Generar Reprodução HumanaPorto AlegreRSBrazilGenerar Reprodução Humana, Porto Alegre, RS, Brazil.
- Hospital de Clínicas de Porto AlegrePorto AlegreRSBrazilHospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil.
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Vagios S, Velmahos CS, Cherouveim P, Dimitriadis I, Bormann CL. The impact of different sperm preparation methods on clinical pregnancy and live birth rates in intrauterine insemination cycles: a retrospective single-center cohort study. Fertil Steril 2023; 120:617-625. [PMID: 37225072 DOI: 10.1016/j.fertnstert.2023.05.153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 05/15/2023] [Accepted: 05/17/2023] [Indexed: 05/26/2023]
Abstract
OBJECTIVE To assess the impact of 2 different sperm preparation methods, density gradient centrifugation and simple wash, on clinical pregnancy and live birth rates in intrauterine insemination (IUI) cycles with and without ovulation induction. DESIGN Retrospective single-center cohort study. SETTING Academic fertility center. PATIENTS In total, 1,503 women of all diagnoses sought IUI with fresh-ejaculated sperm. EXPOSURE Cycles were divided into 2 groups on the basis of sperm preparation technique: density gradient centrifugation (n = 1,687, unexposed group) and simple wash (n = 1,691, exposed group). MAIN OUTCOME MEASURES Primary outcome measures consisted of clinical pregnancy and live birth rates. Furthermore, adjusted odds ratios and 95% confidence intervals for each outcome were calculated and compared between the 2 sperm preparation groups. RESULTS Odds ratios did not differ between density gradient centrifugation and simple wash groups for clinical pregnancy and live birth (1.10 [0.67-1.83] and 1.08 [0.85-1.37], respectively). Additionally, when cycles were stratified using ovulation induction rather than adjusted for, no differences in clinical pregnancy and live birth odds were noted between sperm preparation groups (gonadotropins: 0.93 [0.49-1.77] and 1.03 [0.75-1.41]; oral agents: 1.78 [0.68-4.61] and 1.05 [0.72-1.53]; unassisted: 0.08 [0.001-6.84] and 2.52 [0.63-10.00], respectively). Furthermore, no difference was seen in clinical pregnancy or live birth when cycles were stratified using sperm score or when the analysis was limited to first cycles only. CONCLUSION Overall, no difference was noted in clinical pregnancy or live birth rates between patients who received simple wash vs. density gradient-prepared sperm, suggesting similar clinical efficacy between the 2 techniques for IUI. Because the simple wash technique is more time-efficient and cost-effective compared with the density gradient, adoption of this technique could lead to comparable clinical pregnancy and live birth rates for IUI cycles, although optimizing teamwork flow and coordination of care.
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Affiliation(s)
- Stylianos Vagios
- Department of Obstetrics, Gynecology, and Reproductive Endocrinology and Infertility, Massachusetts General Hospital Fertility Center, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts; Department of Obstetrics and Gynecology, Tufts Medical Center, Boston, Massachusetts
| | | | - Panagiotis Cherouveim
- Department of Obstetrics, Gynecology, and Reproductive Endocrinology and Infertility, Massachusetts General Hospital Fertility Center, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Irene Dimitriadis
- Department of Obstetrics, Gynecology, and Reproductive Endocrinology and Infertility, Massachusetts General Hospital Fertility Center, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Charles L Bormann
- Department of Obstetrics, Gynecology, and Reproductive Endocrinology and Infertility, Massachusetts General Hospital Fertility Center, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
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Barbosa BB, Evangelista ITA, Soares ARB, Leão DL, Pereira RJG, Domingues SFS. Kinetic vitrification: concepts and perspectives in animal sperm cryopreservation. Anim Reprod 2023; 20:e20220096. [PMID: 37228692 PMCID: PMC10205064 DOI: 10.1590/1984-3143-ar2022-0096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 04/04/2023] [Indexed: 05/27/2023] Open
Abstract
Sperm cryopreservation is an important tool for genetic diversity management programs and the conservation of endangered breeds and species. The most widely used method of sperm conservation is slow freezing, however, during the process, sperm cells suffer from cryoinjury, which reduces their viability and fertility rates. One of the alternatives to slow freezing is vitrification, that consist on rapid freezing, in which viable cells undergo glass-like solidification. This technology requires large concentrations of permeable cryoprotectants (P- CPA's) which increase the viscosity of the medium to prevent intracellular ice formation during cooling and warming, obtaining successful results in vitrification of oocytes and embryos. Unfortunately, this technology failed when applied to vitrification of sperm due to its higher sensitivity to increasing concentrations of P-CPAs. Alternatively, a technique termed 'kinetic sperm vitrification' has been used and consists in a technique of permeant cryoprotectant-free cryopreservation by direct plunging of a sperm suspension into liquid nitrogen. Some of the advantages of kinetic vitrification are the speed of execution and no rate-controlled equipment required. This technique has been used successfully and with better results for motility in human (50-70% motility recovery), dog (42%), fish (82%) and donkey (21.7%). However, more studies are required to improve sperm viability after devitrification, especially when it comes to motility recovery. The objective of this review is to present the principles of kinetic vitrification, the main findings in the literature, and the perspectives for the utilization of this technique as a cryopreservation method.
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Affiliation(s)
- Bianca Barreto Barbosa
- Laboratório de Biotecnologia e Medicina de Animais da Amazônia, Universidade Federal do Pará, Castanhal, PA, Brasil.
- Programa de Pós-graduação em Saúde e Produção Animal na Amazônia, Universidade Federal Rural da Amazônia, Belém, PA, Brasil.
| | - Inara Tayná Alves Evangelista
- Laboratório de Biotecnologia e Medicina de Animais da Amazônia, Universidade Federal do Pará, Castanhal, PA, Brasil.
| | - Airton Renan Bastos Soares
- Laboratório de Biotecnologia e Medicina de Animais da Amazônia, Universidade Federal do Pará, Castanhal, PA, Brasil.
| | - Danuza Leite Leão
- Laboratório de Biotecnologia e Medicina de Animais da Amazônia, Universidade Federal do Pará, Castanhal, PA, Brasil.
- Instituto de Desenvolvimento Sustentável Mamirauá, Tefé, AM, Brasil.
| | - Ricardo José Garcia Pereira
- Departamento de Reprodução Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brasil.
| | - Sheyla Farhayldes Souza Domingues
- Laboratório de Biotecnologia e Medicina de Animais da Amazônia, Universidade Federal do Pará, Castanhal, PA, Brasil.
- Programa de Pós-graduação em Saúde e Produção Animal na Amazônia, Universidade Federal Rural da Amazônia, Belém, PA, Brasil.
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Schardein JN, Fendereski K, Hotaling JM. Evolution of the basic semen analysis and processing sperm. Curr Opin Urol 2023; 33:16-23. [PMID: 36226727 DOI: 10.1097/mou.0000000000001054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW The sixth edition of the World Health Organization (WHO) laboratory manual for the examination and processing of human semen was recently published with specific step-by-step instructions for semen evaluation and sperm processing. Point-of-care (POC) testing for semen evaluation and microfluidics for sperm processing are rapidly evolving technologies that could impact how we evaluate and process sperm. Understanding the updated manual in the context of these novel technologies is important. RECENT FINDINGS Proper standardization of semen evaluation and sperm processing will allow for consistent high-quality results among laboratories worldwide. POC testing could improve access to semen evaluations that generate referrals to male infertility specialists for further assessment. Microfluidics can select functional sperm with decreased DNA fragmentation in semen and testicular biopsy samples for assisted reproductive technology (ART). Clinical outcomes, such as pregnancy rates and live birth rates, have not been shown to be consistently improved with these technologies compared to conventional techniques, although high level evidence research in this area is limited. SUMMARY POC testing and microfluidics have the potential to be combined with machine learning technologies to improve fertility care. If these technologies are appropriately optimized, they could change how we evaluate and process sperm, and potentially lead to improved ART outcomes.
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Affiliation(s)
- Jessica N Schardein
- Department of Surgery, Division of Urology, University of Utah, Salt Lake City, Utah, USA
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5
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Sperm centriole assessment identifies male factor infertility in couples with unexplained infertility – a pilot study. Eur J Cell Biol 2022; 101:151243. [DOI: 10.1016/j.ejcb.2022.151243] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 05/23/2022] [Accepted: 05/23/2022] [Indexed: 12/18/2022] Open
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Rao M, Tang L, Wang L, Chen M, Yan G, Zhao S. Cumulative live birth rates after IVF/ICSI cycles with sperm prepared by density gradient centrifugation vs. swim-up: a retrospective study using a propensity score-matching analysis. Reprod Biol Endocrinol 2022; 20:60. [PMID: 35361225 PMCID: PMC8969370 DOI: 10.1186/s12958-022-00933-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 02/18/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Density gradient centrifugation (DGC) and swim-up (SU) are the two most widely used sperm preparation methods for in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI). However, existing comparisons of IVF/ICSI outcomes following these sperm preparation methods are insufficient and controversial. METHODS This retrospective study included all first autologous IVF and ICSI cycles performed between March 1, 2016, and December 31, 2020 in a single university-based center. A total of 3608 cycles were matched between DGC and SU using propensity score (PS) matching for potential confounding factors at a ratio of 1:1. The primary outcome was the cumulative live birth rate (cLBR) per aspiration. RESULTS PS matching provided 719 cycles after DGC and 719 cycles after SU. After adjusting for confounders, the recovery rate, progressive motility rate after sperm preparation, fertilization rate, good-quality embryo rate, and blastocyst formation rate were similar between the DGC and SU groups. The cLBR (odds ratio [OR] = 1.143, 95% confidence interval [CI]: 0.893-1.461) and LBR per transfer (OR = 1.082, 95% CI: 0.896-1.307) were also not significantly different between the groups. Furthermore, no significant differences were found in all of the laboratory and clinical outcomes following conventional IVF or ICSI cycles between the two groups. However, a significantly higher fertilization rate (β = 0.074, 95% CI: 0.008-0.140) was observed when using poor-quality sperm in the DGC group than in the SU group. CONCLUSIONS Sperm preparation using DGC and SU separately resulted in similar IVF/ICSI outcomes. Further studies are warranted to compare the effects of these methods on IVF/ICSI outcomes when using sperm from subgroups of different quality.
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Affiliation(s)
- Meng Rao
- Department of Reproduction and Genetics, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan Province, China
| | - Li Tang
- Department of Reproduction and Genetics, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan Province, China
| | - Longda Wang
- Department of Reproduction and Genetics, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan Province, China
| | - Mengxiang Chen
- Department of Reproduction and Genetics, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan Province, China
| | - Gaofeng Yan
- Department of Reproduction and Genetics, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan Province, China
| | - Shuhua Zhao
- Department of Reproduction and Genetics, First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan Province, China.
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7
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Ranéa C, Pariz JR, Drevet JR, Hallak J. Sperm motility in asthenozoospermic semen samples can be improved by incubation in a continuous single culture medium (CSCM®). Syst Biol Reprod Med 2022; 68:25-35. [PMID: 35100915 DOI: 10.1080/19396368.2021.2004623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Standard protocols for clinical in vitro fertilization (IVF) laboratories recommend incubating semen at 37°C in 5% CO2 without strictly specifying which medium should be used or for how long. This study aimed to test the most common different incubation media used in Latin American andrology and micromanipulation laboratories and verify which, if any, is the most appropriate medium to improve asthenozoospermic semen samples' motility in the infertile male population. Ejaculates (136) collected from asthenozoospermic men were divided into two cohorts with similar characteristics (cohort 1; n = 28 and cohort 2; n = 108). Cohort 1 was used to evaluate the optimal incubation time with regard to unprepared asthenozoospermic sample sperm motility. After defining an optimal incubation period of 2 h, cohort 2 was used to evaluate which of the four media commonly used in IVF clinics (continuous single culture medium = CSCM®; SpermRinse medium = SR®; in vitro fertilization medium = G-IVF® and human tubal fluid medium = HTF®) was preferred for semen samples from asthenozoospermic patients. Overall, it was determined that a 2-h incubation in CSCM® medium led to the highest asthenozoospermic sperm motility. Thus, this simple, cost-effective, easily reproducible protocol could prove extremely useful for andrology laboratories working with IVF clinics dealing with asthenozoospermic semen specimens. This is particularly relevant since the incidence of the latter is on the rise as semen quality decreases around the globe.Abbreviations: ANOVA: Analysis of variance; ARTs: Assisted reproductive techniques; BWW: Biggers, Whitten, and Whittingham; CO2: Carbon dioxide; CPM: counted per minute; CSCM: Continuous Single Culture Medium; DAB: 3.3'- diaminobenzidine; DFI: DNA Fragmentation Index; DMSO: Dimethyl sulfoxide; G-IVF: In Vitro Fertilization Medium; GSH: Glutathione; GPx: glutathione peroxidase; HDS: High DNA Stainability; HSA: Human Serum Albumin; HTF: Human Tubal Fluid; HYP: Hyperactivity; ICSI: Intracytoplasmic sperm injection; IUI: Intrauterine insemination; IVF: in vitro fertilization; LIN: Linearity; ROS: Reactive Oxygen Species-level; SC: Sperm concentration; SCA: Sperm Computer Analysis; SCSA: Sperm Chromatin Structural Assay; SR: SpermRinse medium; SSS: Synthetic Serum Substitute; STR: Straightness; SOD: superoxide dismutase; TNE: Tris-Borate-EDTA; TSC: Total sperm count; VAP: Mean velocity; VCL: Curvilinear velocity; VSL: Linear velocity; WHO: World Health Organization; WOB: Wobble; spz: spermatozoa; AO: antioxidant.
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Affiliation(s)
- Caroline Ranéa
- Androscience, Science and Innovation Center in Andrology and High-Complex Clinical and Andrology Laboratory, São Paulo, Brazil.,Division of Urology, Department of Surgery, Hospital Das Clinicas, University of Sao Paulo Medical School, São Paulo, Brazil
| | - Juliana Risso Pariz
- Androscience, Science and Innovation Center in Andrology and High-Complex Clinical and Andrology Laboratory, São Paulo, Brazil.,Division of Urology, Department of Surgery, Hospital Das Clinicas, University of Sao Paulo Medical School, São Paulo, Brazil.,Department of Pathology, Reproductive Toxicology Unit, University of São Paulo Medical School, São Paulo, Brazil.,Institute for Advanced Studies, University of Sao Paulo, Sao Paulo, Brazil
| | - Joël R Drevet
- Université Clermont Auvergne, GReD Institute, Faculty of Medicine, Clermont-Ferrand, France
| | - Jorge Hallak
- Androscience, Science and Innovation Center in Andrology and High-Complex Clinical and Andrology Laboratory, São Paulo, Brazil.,Division of Urology, Department of Surgery, Hospital Das Clinicas, University of Sao Paulo Medical School, São Paulo, Brazil.,Department of Pathology, Reproductive Toxicology Unit, University of São Paulo Medical School, São Paulo, Brazil.,Institute for Advanced Studies, University of Sao Paulo, Sao Paulo, Brazil
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8
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Meles DK, Mustofa I, Hariadi M, Wurlina W, Susilowati S, Amaliya A, Suparto S, Rimayanti R. The enriched Y-bearing sperm combined with delayed fixed-time artificial insemination for obtaining male Simmental crossbred offspring. Vet World 2022; 15:102-109. [PMID: 35369602 PMCID: PMC8924384 DOI: 10.14202/vetworld.2022.102-109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 12/23/2021] [Indexed: 01/03/2023] Open
Abstract
Background and Aim: The production of male calf beef cattle is an agricultural innovation needed to increase the farm’s productivity as a provider of meat sources. This study aimed to determine the sex ratio of the offspring of cows inseminated with Y-bearing sperm enriched by Percoll density gradient centrifugation and swim-up, combined with delayed fixed-time artificial insemination (FTAI). Materials and Methods: Ejaculates of Simmental bulls were divided into four equal portions and grouped as T0 (control, non-sexed semen), T1 and T2 were sexed semen using Percoll density gradient centrifugation three and five levels, respectively, and T3 was sexed semen using swim-up. After the sex was sorted, the semen was diluted in a tris-egg yolk extender, packaged in French mini-straws containing 50 million live sperm cells, and frozen. Pre-sexed, post-sexed, and post-thawed spermatozoa were evaluated based on progressive motility, viability, intact plasma membrane, and abnormality. The post-thawed semen of T0 was artificially inseminated to recipient cows at 12 h after onset of estrus (not delayed FTAI). Meanwhile, the delayed FTAI was conducted 18-20 h after onset of estrus using the T0, the best of T1 and T2, and the T3 post-thawed semen. Results: The Percoll density gradient centrifugation reduced motility, viability, and intact plasma membrane but increased sperm abnormalities. Meanwhile, the swim-up process increased motility, viability, and intact plasma membrane of sperm cells but decreased sperm abnormalities. Post-thawed semen decreased motility, viability, and intact plasma membrane of sperm cells but increased sperm abnormalities. The sex ratio of the Simmental crossbred offspring was 96.08% and 100% in T1 and T3, respectively, compared to 48.25% and 67.39% in T0 not delayed and delayed FTAI, respectively. Conclusion: The Percoll density gradient centrifugation and swim-up methods are prospective for obtaining male offspring.
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Affiliation(s)
- Dewa Ketut Meles
- Division of Basic Veterinary Medicine, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Kampus C Mulyorejo, Surabaya 601155, East Java, Indonesia
| | - Imam Mustofa
- Division of Veterinary Reproduction, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Kampus C Mulyorejo, Surabaya 601155, East Java, Indonesia
| | - Mas'ud Hariadi
- Division of Veterinary Reproduction, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Kampus C Mulyorejo, Surabaya 601155, East Java, Indonesia
| | - Wurlina Wurlina
- Division of Veterinary Reproduction, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Kampus C Mulyorejo, Surabaya 601155, East Java, Indonesia
| | - Suherni Susilowati
- Division of Veterinary Reproduction, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Kampus C Mulyorejo, Surabaya 601155, East Java, Indonesia
| | - Anny Amaliya
- The Singosari National Artificial Insemination Center, Ngujung, Toyomarto, Singosari, Malang District 65153, East Java, Indonesia
| | - Suparto Suparto
- Gunungrejo Makmur Livestock Cooperative, Kedung Pring, Lamongan District 62272, East Jawa, Indonesia
| | - Rimayanti Rimayanti
- Division of Veterinary Reproduction, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Kampus C Mulyorejo, Surabaya 601155, East Java, Indonesia
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Retrospective Comparison of the Semen Preparation Techniques for Intrauterine Insemination: Swim-up versus Density Gradient Method. J Gynecol Obstet Hum Reprod 2022; 51:102321. [DOI: 10.1016/j.jogoh.2022.102321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 12/15/2021] [Accepted: 01/17/2022] [Indexed: 11/20/2022]
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10
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Halim B, Angellee J, Lubis HP, Bachsinar B. Sperm Quality and Deoxyribonucleic Acid Fragmentation after 5 and 10 min Centrifugation with Swim-Up Processing Technique: A Prospective Cohort Study. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.6458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
AIM: This study aimed to assess the difference in sperm concentration, total motility, progressive motility, and deoxyribonucleic acid (DNA) fragmentation index (DFI) before and after processing with 5 and 10 min swim-up (SU).
METHODS: Fifty patients who met the study inclusion criteria from June 2020 to October 2020 were subjected to routine semen and sperm DNA fragmentation analysis. Each of the samples was then divided into three tubes, one as control and the others were processed using the SU method with 5 and 10 min centrifugation time, respectively. After being processed, the samples were subjected again to routine semen and sperm DNA fragmentation analysis. The results were being compared among three groups.
RESULTS: The sperm concentration after 5 and 10 min SU (27.78–39.79 and 35.36–51.09, respectively; p < 0.05) was significantly higher compared to fresh semen (24.85–32.33). The total motility before and after 5 and 10 min SU were 43.78–51.08, 97.66–98.20, and 97.86–98.20, respectively. The progressive motility after 5 and 10 min SU (0–41 and 0–54, respectively) was significantly higher than fresh semen (0–24; p < 0.05). The DFI was significantly better after 5 min SU (3.82–6.98) compared to fresh semen and after 10 min SU (13.48–19.04 and 1–25, respectively; p < 0.05).
CONCLUSION: Prolonged centrifugation time may yield a higher number of sperm concentration and motility, but it may also lead to a higher DFI. Hence, a shorter centrifugation time should be used for a better semen quality intended for assisted reproductive technologies.
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Raad G, Bakos HW, Bazzi M, Mourad Y, Fakih F, Shayya S, Mchantaf L, Fakih C. Differential impact of four sperm preparation techniques on sperm motility, morphology, DNA fragmentation, acrosome status, oxidative stress, and mitochondrial activity: A prospective study. Andrology 2021; 9:1549-1559. [PMID: 33999521 DOI: 10.1111/andr.13038] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 04/01/2021] [Accepted: 05/10/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Suboptimal human semen handling in vitro may induce sperm damage. However, the effects of semen swim-up, pellet swim-up, density gradient, and density gradient followed by SU on sperm motility, morphology, DNA fragmentation, acrosome reaction, intracellular reactive oxygen species, and mitochondrial activity were not fully understood. OBJECTIVES To study the impact of four sperm preparation techniques on sperm functional parameters. MATERIALS AND METHODS This study was conducted on 60 infertile men with a minimum sperm concentration of 20 × 106 /ml and total sperm motility of ≥30%. Each raw semen sample was divided into four aliquots. Each aliquot was prepared by one of the tested techniques. Various sperm characteristics were assessed before and after sperm preparation. RESULTS Density gradient and density gradient followed by SU resulted in significantly higher DNA fragmentation percentages compared with semen swim-up (p < 0.001 and p < 0.001, respectively) and pellet swim-up (p < 0.001 and p < 0.001, respectively). Significantly higher percentages of spermatozoa with intact acrosome were detected in semen swim-up (p < 0.001) and pellet swim-up (p < 0.001) compared with raw semen. The percentage of reactive oxygen species-positive spermatozoa was significantly higher after pellet swim-up (p < 0.001), density gradient (p < 0.001), and density gradient followed by SU (p < 0.001) than raw semen. In addition, the percentages of 100% stained midpiece (active mitochondria) were significantly higher in semen swim-up (p < 0.001) and pellet swim-up (p < 0.001) compared with raw semen. DISCUSSION AND CONCLUSION To the best of our knowledge, this is the first report comparing the impact of these techniques on various sperm functional parameters. Semen swim-up was more effective than density gradient in selecting better spermatozoa in terms of DNA integrity, reactive oxygen species levels, acrosome status, and mitochondrial activity. Randomized clinical trials comparing these four techniques are required to test their impact on embryo development and pregnancy outcomes.
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Affiliation(s)
- Georges Raad
- Al Hadi Laboratory and Medical Centre, Beirut, Lebanon.,Holy Spirit University of Kaslik (USEK), Jounieh, Lebanon
| | - Hassan W Bakos
- Monash IVF Group, Sydney, NSW, Australia.,University of Newcastle, Newcastle, NSW, Australia
| | - Marwa Bazzi
- Al Hadi Laboratory and Medical Centre, Beirut, Lebanon
| | - Youmna Mourad
- Al Hadi Laboratory and Medical Centre, Beirut, Lebanon
| | - Fadi Fakih
- Al Hadi Laboratory and Medical Centre, Beirut, Lebanon
| | - Salman Shayya
- American University of Science and Technology, Ashrafieh, Lebanon
| | | | - Chadi Fakih
- Al Hadi Laboratory and Medical Centre, Beirut, Lebanon.,Lebanese University, Hadath, Lebanon
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Turner KA, Fishman EL, Asadullah M, Ott B, Dusza P, Shah TA, Sindhwani P, Nadiminty N, Molinari E, Patrizio P, Saltzman BS, Avidor-Reiss T. Fluorescence-Based Ratiometric Analysis of Sperm Centrioles (FRAC) Finds Patient Age and Sperm Morphology Are Associated With Centriole Quality. Front Cell Dev Biol 2021; 9:658891. [PMID: 33968935 PMCID: PMC8100587 DOI: 10.3389/fcell.2021.658891] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/19/2021] [Indexed: 12/22/2022] Open
Abstract
A large proportion of infertility and miscarriage causes are unknown. One potential cause is a defective sperm centriole, a subcellular structure essential for sperm motility and embryonic development. Yet, the extent to which centriolar maladies contribute to male infertility is unknown due to the lack of a convenient way to assess centriole quality. We developed a robust, location-based, ratiometric assay to overcome this roadblock, the Fluorescence-based Ratiometric Assessment of Centrioles (FRAC). We performed a case series study with semen samples from 33 patients, separated using differential gradient centrifugation into higher-grade (pellet) and lower-grade (interface) sperm fractions. Using a reference population of higher-grade sperm from infertile men with morphologically standard sperm, we found that 79% of higher-grade sperm of infertile men with substandard sperm morphology have suboptimal centrioles (P = 0.0005). Moreover, tubulin labeling of the sperm distal centriole correlates negatively with age (P = 0.004, R = -0.66). These findings suggest that FRAC is a sensitive method and that patient age and sperm morphology are associated with centriole quality.
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Affiliation(s)
- Katerina A. Turner
- Department of Biological Sciences, College of Natural Sciences and Mathematics, University of Toledo, Toledo, OH, United States
| | - Emily L. Fishman
- Department of Biological Sciences, College of Natural Sciences and Mathematics, University of Toledo, Toledo, OH, United States
| | - Mariam Asadullah
- Department of Biological Sciences, College of Natural Sciences and Mathematics, University of Toledo, Toledo, OH, United States
| | - Brooke Ott
- Department of Biological Sciences, College of Natural Sciences and Mathematics, University of Toledo, Toledo, OH, United States
| | - Patrick Dusza
- Department of Biological Sciences, College of Natural Sciences and Mathematics, University of Toledo, Toledo, OH, United States
| | - Tariq A. Shah
- Department of Urology, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, United States
| | - Puneet Sindhwani
- Department of Urology, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, United States
| | - Nagalakshmi Nadiminty
- Department of Urology, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, United States
| | - Emanuela Molinari
- Yale Fertility Center, Yale School of Medicine, New Haven, CT, United States
| | - Pasquale Patrizio
- Yale Fertility Center, Yale School of Medicine, New Haven, CT, United States
| | - Barbara S. Saltzman
- School of Population Health, College of Health and Human Services, University of Toledo, Toledo, OH, United States
| | - Tomer Avidor-Reiss
- Department of Biological Sciences, College of Natural Sciences and Mathematics, University of Toledo, Toledo, OH, United States
- Department of Urology, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, United States
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Anbari F, Khalili MA, Sultan Ahamed AM, Mangoli E, Nabi A, Dehghanpour F, Sabour M. Microfluidic sperm selection yields higher sperm quality compared to conventional method in ICSI program: A pilot study. Syst Biol Reprod Med 2021; 67:137-143. [PMID: 33451252 DOI: 10.1080/19396368.2020.1837994] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
An appropriate preparation technique, should be capable of isolating highquality spermatozoa for intracytoplasmic sperm injection (ICSI). The aim was to assess sperm quality parameters, DNA integrity, embryo development, and clinical outcomes using a practical and accessible Microfluidic Sperm Sorting (MSS) technique. A total of 95 ICSI cases performed using sperm samples were prepared with our MSS (group 1) or by Direct Swim Up (DSU; control) method (group 2). Both sperm quality parameters and sperm DNA fragmentation (SDF) were compared between the groups. DNA fragmentation was assessed using Sperm Chromatin Dispersion (SCD) test and fine morphology was assessed using Motile Sperm Organelle Morphology Examination (MSOME). Embryo development and clinical outcomes were compared between the groups. In the MSS group, progressive motility and the fraction of Class I sperm morphology sperm were significantly higher compared to DSU group (P < 0.01 and P < 0.001, respectively). Moreover, the rates of DNA fragmentation and immotile spermatozoa were significantly lower in MSS when compared to DSU group (P < 0.001). Also, higher rates of high-quality embryo formation (P < 0.001), implantation (P = 0.04) and pregnancy (P = 0.05) were achieved in the MSS compared to DSU groups. The MSS technique proved to be a noninvasive, disposable, easy to use, and inexpensive method for separation of high-quality spermatozoa. Both laboratory parameters and clinical outcomes were improved with application of MSS for neat sperm collection in ICSI.AbbreviationsICSI: Intracytoplasmic Sperm Injection; MSS: Microfluidic Sperm Sorting; Sperm DNA Fragmentation (SDF); SCD: Sperm Chromatin Dispersion; MSOME: Motile Sperm Organelle Morphology Examination; DGC: Density Gradient Centrifugation; DSU: Direct Swim Up; ROS: Reactive Oxygen Species; ART: Assisted Reproducetive Technology.
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Affiliation(s)
- Fatemeh Anbari
- Research and Clinical Center for Infertility, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Department of Reproductive Biology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mohammad Ali Khalili
- Research and Clinical Center for Infertility, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Department of Reproductive Biology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | | | - Esmat Mangoli
- Research and Clinical Center for Infertility, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Department of Reproductive Biology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Ali Nabi
- Department of Reproductive Biology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Andrology Research Center, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Fatemeh Dehghanpour
- Research and Clinical Center for Infertility, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Department of Reproductive Biology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mojdeh Sabour
- Research and Clinical Center for Infertility, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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Marzano G, Chiriacò MS, Primiceri E, Dell’Aquila ME, Ramalho-Santos J, Zara V, Ferramosca A, Maruccio G. Sperm selection in assisted reproduction: A review of established methods and cutting-edge possibilities. Biotechnol Adv 2020; 40:107498. [DOI: 10.1016/j.biotechadv.2019.107498] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 11/26/2019] [Accepted: 12/06/2019] [Indexed: 12/31/2022]
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Abstract
The process of embryonic development is crucial and radically influences preimplantation embryo competence. It involves oocyte maturation, fertilization, cell division and blastulation and is characterized by different key phases that have major influences on embryo quality. Each stage of the process of preimplantation embryonic development is led by important signalling pathways that include very many regulatory molecules, such as primary and secondary messengers. Many studies, both in vivo and in vitro, have shown the importance of the contribution of reactive oxygen species (ROS) as important second messengers in embryo development. ROS may originate from embryo metabolism and/or oocyte/embryo surroundings, and their effect on embryonic development is highly variable, depending on the needs of the embryo at each stage of development and on their environment (in vivo or under in vitro culture conditions). Other studies have also shown the deleterious effects of ROS in embryo development, when cellular tissue production overwhelms antioxidant production, leading to oxidative stress. This stress is known to be the cause of many cellular alterations, such as protein, lipid, and DNA damage. Considering that the same ROS level can have a deleterious effect on the fertilizing oocyte or embryo at certain stages, and a positive effect at another stage of the development process, further studies need to be carried out to determine the rate of ROS that benefits the embryo and from what rate it starts to be harmful, this measured at each key phase of embryonic development.
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16
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Sperm enrichment from poor semen samples by double density gradient centrifugation in combination with swim-up for IVF cycles. Sci Rep 2020; 10:2286. [PMID: 32042061 PMCID: PMC7010666 DOI: 10.1038/s41598-020-59347-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 01/28/2020] [Indexed: 11/24/2022] Open
Abstract
Sperm preparation in IVF cycles using density gradient centrifugation (DGC) in combination with swim-up (SU) has been widely adopted in reproductive centres worldwide. It is a fact that the sperm recovery rate following one DGC from poor semen samples (showing liquefaction defects/containing too many unresolvable clots or rare sperm) is relatively low. Our results showed that double DGC (DDGC) is effective at increasing the sperm recovery rate from poor semen samples. However, DDGC may increase the mechanical stress of sperm, thereby potentially impairing embryo development. Therefore, it is necessary to evaluate the safety of using sperm prepared by DDGC/SU for IVF cycles. In this study, we retrospectively analysed the data generated from a total of 529 IVF cycles (from June 2017 to June 2018), and these IVF cycles contributed 622 transfer cycles (from June 2017 to December 2018) in Changzhou Maternal and Child Health Care Hospital. Of them, 306 IVF cycles and the related 355 transfer cycles (normal semen samples prepared by DGC/SU) were set as the normal group, while 223 IVF cycles and the related 267 transfer cycles (poor semen prepared by DDGC/SU) were set as the observation group. The main outcome measures, including the normal fertilization rate, top D3 embryo formation rate, blastocyte formation rate, clinical pregnancy rate and live birth rate, birth weight and duration of pregnancy, were compared between the two groups. Compared to semen in the DGC/SU group, semen in the DDGC/SU group showed increased levels of the DNA fragmentation index (DFI) and reduced sperm concentration, percentage of progressive motility (PR) sperm, and percentage of normal morphology sperm. The indicators reflecting in vitro embryo development and clinical outcomes were similar in the DGC/SU group and DDGC/SU group, including the normal fertilization rate, top D3 embryo formation rate, blastocyte formation rate, pregnancy rate, implantation rate, spontaneous abortion rate, live birth rate, birth weight and duration of pregnancy. Furthermore, we found that the 1PN zygote formation rate was significantly lower in the DDGC/SU group than that in the DGC/SU group. We concluded that oocytes fertilized by sperm from poor semen samples separated by DDGC/SU achieved the same outcomes as oocytes fertilized by sperm from normal semen separated by DGC/SU, suggesting that DDGC/SU is an effective and safe method of sperm enrichment for poor semen samples in IVF. The main contribution of the present study is the verification of the effectiveness of DDGC/SU in improving sperm recovery from poor semen samples and the safety of using sperm prepared by DDGC/SU for IVF.
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Gode F, Bodur T, Gunturkun F, Gurbuz AS, Tamer B, Pala I, Isik AZ. Comparison of microfluid sperm sorting chip and density gradient methods for use in intrauterine insemination cycles. Fertil Steril 2019; 112:842-848.e1. [DOI: 10.1016/j.fertnstert.2019.06.037] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 06/20/2019] [Accepted: 06/25/2019] [Indexed: 12/23/2022]
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18
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Riordon J, Tarlan F, You JB, Zhang B, Graham PJ, Kong T, Wang Y, Lagunov A, Hannam T, Jarvi K, Sinton D. Two-dimensional planar swimming selects for high DNA integrity sperm. LAB ON A CHIP 2019; 19:2161-2167. [PMID: 31093628 DOI: 10.1039/c9lc00209j] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Selection of high-quality sperm is critical to the success of assisted reproductive technologies. Clinical screening for top sperm has long focused on sperm swimming ability when following boundaries or when fully free of constraints. In this work, we demonstrate a sperm selection approach with parallel 2 μm tall confined selection channels that prohibit rotation of the sperm head and require planar swimming. We demonstrate that a planar swimming subpopulation of sperm capable of entering and navigating these channels has DNA integrity superior to the freely-swimming motile or raw sperm populations over a wide range of semen sample qualities. The DNA integrity of the selected sperm was significantly higher than that of the corresponding raw samples for donor samples and clinical patient samples, respectively. In side-by-side testing, this method outperforms current clinical selection methods, density gradient centrifugation and swim-up, as well as sperm selected via general motility. Planar swimming represents a viable sperm selection mechanism with the potential to improve outcomes for couples and offspring.
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Affiliation(s)
- Jason Riordon
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Rd, Toronto, Ontario M5S 3G8, Canada.
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Sperm preparation after freezing improves motile sperm count, motility, and viability in frozen-thawed sperm compared with sperm preparation before freezing-thawing process. J Assist Reprod Genet 2017; 35:237-245. [PMID: 28990130 DOI: 10.1007/s10815-017-1050-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 09/15/2017] [Indexed: 10/18/2022] Open
Abstract
PURPOSE The aim of this study is to evaluate which cryopreservation protocol, freezing before or after swim-up, optimizes cryopreservation outcomes in terms of motile sperm count, motility, morphology, and viability, and also to establish whether sperm viability could be assessed based on sperm motility. METHODS Fifty-three fresh and 53 swim-up prepared samples were considered for the first experiment. In parallel, total motility evaluation by CASA system (computer-assisted sperm analyzer) and hypoosmotic swelling test (HOS-test) was performed in each sample to compare the viability results of both methods. In the second experiment, 21 normozoospermic semen samples and 20 semen samples from male factor patients were included. After fresh ejaculate evaluation, the semen sample of each patient was divided into two aliquots, one of them was frozen before swim-up and the other was frozen after swim-up. Motility, sperm count, morphology, and viability were evaluated after thawing. RESULTS A linear regression model allows prediction of HOS-test viability results based on total motility: HOS = 1.38 + 0.97 · TM (R 2 = 99.10, residual mean squares = 9.51). Freezing before sperm selection leads to higher total and progressive motility, total motile sperm count, and viability rates than when sperm selection is performed before freezing (P < 0.005 in all cases). In fact, sperm selection prior to freezing reaches critical values when subfertile patients are considered. CONCLUSIONS To conclude, total motility evaluation can predict HOS-test viability results, resulting in a more objective and less time-consuming method to assess viability. In addition, sperm freezing prior to swim-up selection must be considered in order to achieve better outcomes after thawing, especially in patients presenting poor sperm baseline.
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