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Naik S, Lepine S, Nagels HE, Siristatidis CS, Kroon B, McDowell S. Androgens (dehydroepiandrosterone or testosterone) for women undergoing assisted reproduction. Cochrane Database Syst Rev 2024; 6:CD009749. [PMID: 38837771 PMCID: PMC11152211 DOI: 10.1002/14651858.cd009749.pub3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
BACKGROUND Practitioners in the field of assisted reproductive technology (ART) continually seek alternative or adjunct treatments to improve ART outcomes. This Cochrane review investigates the adjunct use of synthetic versions of two naturally produced hormones, dehydroepiandrosterone (DHEA) and testosterone (T), in assisted reproduction. Steroid hormones are proposed to increase conception rates by positively affecting follicular response to gonadotrophin stimulation. This may lead to a greater oocyte yield and, subsequently, an increased chance of pregnancy. OBJECTIVES To assess the effectiveness and safety of DHEA and T as pre- or co-treatments in infertile women undergoing assisted reproduction. SEARCH METHODS We searched the following electronic databases up to 8 January 2024: the Gynaecology and Fertility Group (CGF) Specialised Register, CENTRAL, MEDLINE, Embase, PsycINFO, and trial registries for ongoing trials. We also searched citation indexes, Web of Science, PubMed, and OpenGrey. We searched the reference lists of relevant studies and contacted experts in the field for any additional trials. There were no language restrictions. SELECTION CRITERIA Randomised controlled trials (RCTs) comparing DHEA or T as an adjunct treatment to any other active intervention, placebo, or no treatment in women undergoing assisted reproduction. DATA COLLECTION AND ANALYSIS Two review authors independently selected studies, extracted relevant data, and assessed risk of bias. We pooled data from studies using fixed-effect models. We calculated odds ratios (ORs) for each dichotomous outcome. Analyses were stratified by type of treatment. We assessed the certainty of evidence for the main findings using GRADE methods. MAIN RESULTS We included 29 RCTs. There were 1599 women in the intervention group and 1469 in the control group. Apart from three trials, the trial participants were women identified as 'poor responders' to standard in vitro fertilisation (IVF) protocols. The included trials compared either T or DHEA treatment with placebo or no treatment. Pre-treatment with DHEA versus placebo/no treatment: DHEA likely results in little to no difference in live birth/ongoing pregnancy rates (OR 1.30, 95% confidence interval (CI) 0.95 to 1.76; I² = 16%, 9 RCTs, N = 1433, moderate certainty evidence). This suggests that in women with a 12% chance of live birth/ongoing pregnancy with placebo or no treatment, the live birth/ongoing pregnancy rate in women using DHEA will be between 12% and 20%. DHEA likely does not decrease miscarriage rates (OR 0.85, 95% CI 0.53 to 1.37; I² = 0%, 10 RCTs, N =1601, moderate certainty evidence). DHEA likely results in little to no difference in clinical pregnancy rates (OR 1.18, 95% CI 0.93 to 1.49; I² = 0%, 13 RCTs, N = 1886, moderate certainty evidence). This suggests that in women with a 17% chance of clinical pregnancy with placebo or no treatment, the clinical pregnancy rate in women using DHEA will be between 16% and 24%. We are very uncertain about the effect of DHEA on multiple pregnancy (OR 3.05, 95% CI 0.47 to 19.66; 7 RCTs, N = 463, very low certainty evidence). Pre-treatment with T versus placebo/no treatment: T likely improves live birth rates (OR 2.53, 95% CI 1.61 to 3.99; I² = 0%, 8 RCTs, N = 716, moderate certainty evidence). This suggests that in women with a 10% chance of live birth with placebo or no treatment, the live birth rate in women using T will be between 15% and 30%. T likely does not decrease miscarriage rates (OR 1.63, 95% CI 0.76 to 3.51; I² = 0%, 9 RCTs, N = 755, moderate certainty evidence). T likely increases clinical pregnancy rates (OR 2.17, 95% CI 1.54 to 3.06; I² = 0%, 13 RCTs, N = 1152, moderate certainty evidence). This suggests that in women with a 12% chance of clinical pregnancy with placebo or no treatment, the clinical pregnancy rate in women using T will be between 17% and 29%. We are very uncertain about the effect of T on multiple pregnancy (OR 2.56, 95% CI 0.59 to 11.20; 5 RCTs, N = 449, very low certainty evidence). We are uncertain about the effect of T versus oestradiol or T versus oestradiol + oral contraceptive pills. The certainty of the evidence was moderate to very low, the main limitations being lack of blinding in the included trials, inadequate reporting of study methods, and low event and sample sizes in the trials. Data on adverse events were sparse; any reported events were minor. AUTHORS' CONCLUSIONS Pre-treatment with T likely improves, and pre-treatment with DHEA likely results in little to no difference, in live birth and clinical pregnancy rates in women undergoing IVF who have been identified as poor responders. DHEA and T probably do not decrease miscarriage rates in women under IVF treatment. The effects of DHEA and T on multiple pregnancy are uncertain. Data regarding adverse events were very limited; any reported events were minor. Research is needed to identify the optimal duration of treatment with T. Future studies should include data collection on adverse events and multiple pregnancy.
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Affiliation(s)
- Sandeep Naik
- Obstetrics and Gynaecology, Capital Coast District Heath Board, Wellington, New Zealand
| | - Sam Lepine
- Department of Obstetrics and Gynaecology, Capital and Coast District Health Board, Wellington, New Zealand
| | - Helen E Nagels
- Department of Obstetrics and Gynaecology, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand
| | - Charalampos S Siristatidis
- Assisted Reproduction Unit, 2nd Department of Obstetrics and Gynaecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Ben Kroon
- Queensland Fertility Group Research Foundation, Brisbane, Australia
- The University of Queensland, Brisbane, Australia
| | - Simon McDowell
- Obstetrics and Gynaecology, Capital Coast District Heath Board, Wellington, New Zealand
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Palomba S, Viganò P, Chamayou S, Donarelli Z, Costantini MP, Marci R, Piomboni P, Fino E, Montano L, Guglielmino A, Somigliana E. Diagnosis and management of infertility: NICE-adapted guidelines from the Italian Society of Human Reproduction. Reprod Biol Endocrinol 2024; 22:9. [PMID: 38183116 PMCID: PMC10768082 DOI: 10.1186/s12958-023-01179-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 12/23/2023] [Indexed: 01/07/2024] Open
Abstract
In Italy the fertility rate is very low, and an increasing number of patients are infertile and require treatments. The Italian Law concerning the safety of patient care, and the professional liability of health professionals, indicates that health professionals must comply with the recommendations set out in the guidelines developed by public and private bodies and institutions, as well as scientific societies and technical-scientific associations of the health professions, except for specific cases. Unfortunately, no guideline for the diagnosis and the management of infertility is currently available in Italy. In 2019, the Italian Society of Human Reproduction pointed out the need to produce Italian guidelines and subsequently approved the establishment of a multidisciplinary and multiprofessional working group (MMWG) to develop such a guideline. The MMWG was representative of 5 scientific societies, one national federation of professional orders, 3 citizens' and patients' associations, 5 professions (including lawyer, biologist, doctor, midwife, and psychologist), and 3 medical specialties (including medical genetics, obstetrics and gynecology, and urology). The MMWG chose to adapt a high-quality guideline to the Italian context instead of developing one from scratch. Using the Italian version of the Appraisal of Guidelines for Research and Evaluation II scoring system, the National Institute of Clinical Excellence guidelines were selected and adapted to the Italian context. The document was improved upon by incorporating comments and suggestions where needed. This study presents the process of adaptation and discusses the pros and cons of the often-neglected choice of adapting rather than developing new guidelines.
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Affiliation(s)
- Stefano Palomba
- Department of Medical-Surgical Science and Translational Medicine, Sapienza University of Rome, Sant'Andrea Hospital, Rome, Italy.
- Unit of Gynecology, Sant'Andrea Hospital, Via di Grottarossa, 1039, Rome, Italy.
| | - Paola Viganò
- Infertility Unit, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Sandrine Chamayou
- HERA Center, Unit of Reproductive Medicine (U.M.R.), Sant'Agata Li Battiati, Catania, Italy
| | - Zaira Donarelli
- Psychological Counselling Service, University of Palermo, Palermo, and Clinical Psychology Unit, ANDROS Day Surgery Clinic, Palermo, Italy
| | | | - Roberto Marci
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
| | - Paola Piomboni
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
- Unit of Medically Assisted Reproduction, Siena University Hospital, Siena, Italy
| | - Egidio Fino
- Italian Society of Human Reproduction, SIRU, Rome, Italy
| | - Luigi Montano
- Unit and Service of Lifestyle Medicine in Uro-Andrology, Local Health Authority of Salerno, Salerno, Italy
| | - Antonino Guglielmino
- HERA Center, Unit of Reproductive Medicine (U.M.R.), Sant'Agata Li Battiati, Catania, Italy
| | - Edgardo Somigliana
- Infertility Unit, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy
- Department of Clinical Sciences and Community Heath, University of Milan, Milan, Italy
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Zhang J, Jia H, Diao F, Ma X, Liu J, Cui Y. Efficacy of dehydroepiandrosterone priming in women with poor ovarian response undergoing IVF/ICSI: a meta-analysis. Front Endocrinol (Lausanne) 2023; 14:1156280. [PMID: 37361534 PMCID: PMC10288189 DOI: 10.3389/fendo.2023.1156280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/23/2023] [Indexed: 06/28/2023] Open
Abstract
Background Dehydroepiandrosterone (DHEA) may improve the outcomes of patients with poor ovarian response (POR) or diminished ovarian reserve (DOR) undergoing IVF/ICSI. However, the evidence remains inconsistent. This study aimed to investigate the efficacy of DHEA supplementation in patients with POR/DOR undergoing IVF/ICSI. Methods PubMed, Web of Science, Cochrane Library, China National Knowledge Infrastructure (CNKI) were searched up to October 2022. Results A total of 32 studies were retrieved, including 14 RCTs, 11 self-controlled studies and 7 case-controlled studies. In the subgroup analysis of only RCTs, DHEA treatment significantly increased the number of antral follicle count (AFC) (weighted mean difference : WMD 1.18, 95% confidence interval(CI): 0.17 to 2.19, P=0.022), while reduced the level of bFSH (WMD -1.99, 95% CI: -2.52 to -1.46, P<0.001), the need of gonadotropin (Gn) doses (WMD -382.29, 95% CI: -644.82 to -119.76, P=0.004), the days of stimulation (WMD -0.90, 95% CI: -1.34 to -0.47, P <0.001) and miscarriage rate (relative risk : RR 0.46, 95% CI: 0.29 to 0.73, P=0.001). The higher clinical pregnancy and live birth rates were found in the analysis of non-RCTs. However, there were no significant differences in the number of retrieved oocytes, the number of transferred embryos, and the clinical pregnancy and live birth rates in the subgroup analysis of only RCTs. Moreover, meta-regression analyses showed that women with lower basal FSH had more increase in serum FSH levels (b=-0.94, 95% CI: -1.62 to -0.25, P=0.014), and women with higher baseline AMH levels had more increase in serum AMH levels (b=-0.60, 95% CI: -1.15 to -0.06, P=0.035) after DHEA supplementation. In addition, the number of retrieved oocytes was higher in the studies on relatively younger women (b=-0.21, 95% CI: -0.39 to -0.03, P=0.023) and small sample sizes (b=-0.003, 95% CI: -0.006 to -0.0003, P=0.032). Conclusions DHEA treatment didn't significantly improve the live birth rate of women with DOR or POR undergoing IVF/ICSI in the subgroup analysis of only RCTs. The higher clinical pregnancy and live birth rates in those non-RCTs should be interpreted with caution because of potential bias. Further studies using more explicit criteria to subjects are needed. Systematic review registration https://www.crd.york.ac.uk/prospero/, identifier CRD 42022384393.
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Affiliation(s)
- Jie Zhang
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Hongyan Jia
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- Clinical Centre of Reproductive Medicine, Lianyungang Maternal and Child Health Hospital Kangda College of Nanjing Medical University, Lianyungang, China
| | - Feiyang Diao
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xiang Ma
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jiayin Liu
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yugui Cui
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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The Use of Androgen Priming in Women with Reduced Ovarian Reserve Undergoing Assisted Reproductive Technology. Semin Reprod Med 2021; 39:207-219. [PMID: 34500477 DOI: 10.1055/s-0041-1735646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Androgen priming with either dehydroepiandrosterone (DHEA) or testosterone has been suggested as an adjunct to improve in vitro fertilization (IVF) outcomes in women with diminished ovarian reserve (DOR). Numerous studies have investigated the effects of both DHEA and testosterone on IVF outcome. The results were inconsistent, and the quality of most studies is substandard. Meta-analyses have consistently reported that DHEA does appear to significantly improve IVF outcome in women with predicted or proven poor ovarian response (POR), but these have included some normal responders and/or nonrandomized studies. Our meta-analyses including randomized controlled trials (RCTs) incorporating only women with DOR or POR suggest that DHEA confers no benefit. While meta-analyses of RCTs on the use of testosterone in women with DOR or POR showed an improved IVF outcome, most studies included are of low quality with high risk of bias. When analysis of data from studies of only low-risk bias was performed, such a benefit with testosterone was not observed. Although recruitment may well be a challenge, a large, well-designed RCT is, however, still warranted to investigate whether or not androgen priming with either DHEA or testosterone should be recommended as an adjuvant treatment for women with DOR or POR undergoing IVF.
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Khojah M, Khayat S, Dahan MH. Comparison of in vitro fertilization cycles stimulated with 20 mg letrozole daily versus high-dose gonadotropins in Rotterdam Consensus ultra-poor responders: A proof of concept. Int J Gynaecol Obstet 2021; 156:102-106. [PMID: 33507538 DOI: 10.1002/ijgo.13626] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 01/25/2021] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To evaluate if high-dose letrozole can be used successfully to stimulate poor responders for in vitro fertilization (IVF). METHODS This was a retrospective study conducted at a university hospital reproductive center. The analysis included women who were up to 42 years of age and were Rotterdam Consensus poor responders. A total of 247 patients received gonadotropins (300-450 IU daily) and 62 patients were stimulated with letrozole (20 mg daily) as part of an antagonist IVF protocol. RESULTS The use of 20 mg of letrozole decreased the total dose of gonadotropins used (645 ± 175 IU vs. 5360 ± 1028 IU, P = 0.001) and resulted in lower costs of stimulation medications ($ 555.56 ± $ 150 vs. $ 4616 ± $ 885 Canadian Dollars; P = 0.001). Pregnancy per cycle (14.5%) and per transfer (16%) rates were legitimate for this low prognosis group and may have been better than or similar to those with high-dose gonadotropins. The rate of cycle cancellation may have been reduced in the letrozole versus gonadotropin group (11% vs. 38%; P = 0.001). CONCLUSION Letrozole (20 mg daily) may be used to reduce the cost of ovarian stimulation in ultra-poor responders, significantly reducing the cost of the IVF cycle with probably at least similar outcomes to high-dose gonadotropins.
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Affiliation(s)
- Mohammad Khojah
- Department of Obstetrics and Gynecology, McGill University, Montreal, QC, Canada.,Division of Reproductive Endocrinology and Infertility, MUHC Reproductive Center, McGill University, Montreal, QC, Canada
| | - Suhaib Khayat
- Department of Obstetrics and Gynecology, McGill University, Montreal, QC, Canada.,Division of Reproductive Endocrinology and Infertility, MUHC Reproductive Center, McGill University, Montreal, QC, Canada
| | - Michael H Dahan
- Department of Obstetrics and Gynecology, McGill University, Montreal, QC, Canada.,Division of Reproductive Endocrinology and Infertility, MUHC Reproductive Center, McGill University, Montreal, QC, Canada
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Neves AR, Montoya-Botero P, Polyzos NP. The Role of Androgen Supplementation in Women With Diminished Ovarian Reserve: Time to Randomize, Not Meta-Analyze. Front Endocrinol (Lausanne) 2021; 12:653857. [PMID: 34079524 PMCID: PMC8165260 DOI: 10.3389/fendo.2021.653857] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 04/23/2021] [Indexed: 11/24/2022] Open
Abstract
The management of patients with diminished ovarian reserve (DOR) remains one of the most challenging tasks in IVF clinical practice. Despite the promising results obtained from animal studies regarding the importance of androgens on folliculogenesis, the evidence obtained from clinical studies remains inconclusive. This is mainly due to the lack of an evidence-based methodology applied in the available trials and to the heterogeneity in the inclusion criteria and IVF treatment protocols. In this review, we analyze the available evidence obtained from animal studies and highlight the pitfalls from the clinical studies that prevent us from closing the chapter of this line of research.
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Affiliation(s)
- Ana Raquel Neves
- Department of Obstetrics, Gynecology and Reproductive Medicine, Dexeus University Hospital, Barcelona, Spain
- Faculty of Medicine, Autonomous University of Barcelona, Cerdanyola del Vallès, Spain
| | - Pedro Montoya-Botero
- Department of Reproductive Medicine, Conceptum – Unidad de Fertilidad del Country, Bogotá, Colombia
| | - Nikolaos P. Polyzos
- Department of Obstetrics, Gynecology and Reproductive Medicine, Dexeus University Hospital, Barcelona, Spain
- Faculty of Medicine and Health Sciences, Ghent University (UZ Gent), Gent, Belgium
- *Correspondence: Nikolaos P. Polyzos,
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Hormonal Effects in Reproductive Technology with Focus on Diminished Ovarian Reserve. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020. [PMID: 32406026 DOI: 10.1007/978-3-030-38474-6_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/27/2023]
Abstract
Modern use of reproductive technologies has revolutionized the treatment of infertile couples. Strategies to improve ovarian function in cases of diminished ovarian reserve are perhaps the least understood area in this field and will be the chief focus of this chapter.
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Abstract
In a group of IVF/ICSI cycles, despite the appropriate ovarian stimulation, the number of oocytes collected is below the expected value. This condition is defined as poor ovarian response (POR) to stimulation. POR brings the risk of cycle cancellation with an estimated rate of 20%. Infertility experts are trying to improve cycle outcomes of POR cases with multiple modifications. This review article will present the latest modifications on the management of POR. The studies performed for improving cycle outcome in POR cases were evaluated and their notable results were presented. The first intervention among infertility specialists is to make a standard definition for POR. The BOLOGNA criteria and the subsequent POSEIDON group definitions are the latest updates in POR management. GnRH antagonists, estradiol priming, double stimulation, letrozole administration, DHEA, and herbal therapy supplementations are the recent modifications done to improve oocyte retrieval and subsequent embryo transfer for POR cases. This review article presents the encouraging methods applied for POR cases to improve cycle outcome.
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Affiliation(s)
- Zehra Sema Özkan
- Department of Obstetrics and Gynecology, School of Medicine, Kırıkkale University, Kırıkkale, Turkey
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Fuentes A, Sequeira K, Tapia-Pizarro A, Muñoz A, Salinas A, Céspedes P, Escalona J, Godoy A. Androgens Profile in Blood Serum and Follicular Fluid of Women With Poor Ovarian Response During Controlled Ovarian Stimulation Reveals Differences Amongst POSEIDON Stratification Groups: A Pilot Study. Front Endocrinol (Lausanne) 2019; 10:458. [PMID: 31379738 PMCID: PMC6646462 DOI: 10.3389/fendo.2019.00458] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 06/25/2019] [Indexed: 12/31/2022] Open
Abstract
Patients with poor ovarian response (POR) to exogenous gonadotropins stimulation for assisted reproductive technology (ART) have decreased circulating androgens during spontaneous cycles. The Patient-Oriented Strategies Encompassing Individualized Oocyte Number (POSEIDON) is a 4-tier stratification of women with POR to controlled ovarian stimulation (COH) based on age and biomarkers of ovarian reserve has been proposed to maximize the clinical management of this group for ART. The aim of the present study was to characterize the levels of androgens during COH in follicular fluid (FF) and serum in POSEIDON subgroups and compared them with women of normal ovarian response. Sixty nine consecutive patients undergoing ART were included and testosterone, androstenedione, dehydroepiandrosterone sulfate (DHEA-S), estradiol, sex hormone-binding globulin (SHBG), and insulin-like growth factor 1 (IGF-1) were measured in serum and FF collected at the time of oocyte pick-up. The number of retrieved oocytes was registered for each patient for their allocation to the respective POSEIDON subgroup. The control group comprised 19 women and the POSEIDON group 1 (age < 35, normal ovarian reserve biomarkers) n = 14, group 2 (age ≥ 35, normal ovarian reserve biomarkers) n = 8, group 3 (age < 35, poor ovarian reserve biomarkers) n = 6 and group 4 (age ≥ 35, poor ovarian reserve biomarkers) n = 22. Serum levels of total testosterone, androstenedione and DHEA-S were not different in group 1 vs. control but significantly decreased in group 3 vs. control. DHEA-S in FF was also significantly decreased in group 3 vs. control. In addition, serum testosterone was decreased in groups 2 and 4 vs. control; and serum androstenedione and estradiol were reduced in group 4 vs. control. No differences were observed for estradiol, SHBG and IGF-1 in FF. Finally, a high correlation between serum and FF DHEA-S was observed when data from samples of all groups were pooled. Group 1 did not show hypoandrogenemia however group 3 had low levels of all measured androgens in serum and DHEA-S in FF. Such differences might help to better characterize and/or improve the clinical management of women with POR according to their respective POSEIDON stratification.
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