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Kaptein AA, Harper JC, Dool GVD, Schoonenberg M, Smeenk J, Daneshpour H, Troost M, van Wijk LM, Tielen N, Smit E, Laven J, Hoek A, Boivin J. Business case for psychosocial interventions in clinics: potential for decrease in treatment discontinuation and costs. Reprod Biomed Online 2024; 49:104113. [PMID: 39043044 DOI: 10.1016/j.rbmo.2024.104113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 05/07/2024] [Accepted: 05/10/2024] [Indexed: 07/25/2024]
Abstract
RESEARCH QUESTION From a value-based healthcare (VBHC) perspective, does an assessment of clinical outcomes and intervention costs indicate that providing cognitive behavioural therapy (CBT) or mindfulness to women seeking fertility treatment add value compared with no such intervention? DESIGN Proof-of-concept business case based on a VBHC perspective that considers clinical outcomes and costs. Potential effects on psychological and fertility outcomes were based on existing research. Cost outcomes were estimated with a costing model for the Dutch fertility treatment setting. RESULTS Thirty-two studies were identified; 13 were included. Women who received CBT had 12% lower anxiety, 40% lower depression and 6% higher fertility quality of life; difference in clinical pregnancy rates was six percentage points (CBT [30.2%]; control [24.2%]); difference in fertility discontinuation rates was 10 percentage points (CBT [5.5%]; control [15.2%]). Women who received training in mindfulness had 8% lower anxiety, 45% lower depression and 21% higher fertility quality of life; difference in mean clinical pregnancy rate was 19 percentage points (mindfulness [44.8%]; control [26.0%]). Potential total cost savings was about €1.2 million per year if CBT was provided and €11 million if mindfulness was provided. Corresponding return on investment for CBT was 30.7%, and for mindfulness 288%. Potential cost benefits are influenced by the assumed clinical pregnancy rates; such data related to mindfulness were limited to one study. CONCLUSIONS The provision of CBT or mindfulness to women seeking fertility treatment could add value. Higher quality primary studies are needed on the effect of mindfulness on clinical pregnancy rates.
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Affiliation(s)
- Ad A Kaptein
- Department of Medical Psychology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Joyce C Harper
- UCL Institute for Women's Health, 86-96 Chenies Mews, London, England WC1E 6HX, UK
| | | | | | - Jesper Smeenk
- Center for Reproduction Brabant - Gynaecology, Elisabeth-TweeSteden Hospital, Hilvarenbeekseweg 60, 5022 GC Tilburg, The Netherlands
| | - Hirad Daneshpour
- KPMG Health, Laan van Langerhuize 1, 1186 DS Amstelveen, The Netherlands
| | - Meike Troost
- KPMG Health, Laan van Langerhuize 1, 1186 DS Amstelveen, The Netherlands
| | - Lise M van Wijk
- Ferring B.V., Polarisavenue 130, 2132 JX Hoofddorp, The Netherlands; Jade 16, 2371LB Roelofarendsveen, The Netherlands
| | - Naomi Tielen
- Ferring B.V., Polarisavenue 130, 2132 JX Hoofddorp, The Netherlands; Gerwenseweg 27, 5708 EH Helmond, The Netherlands
| | - Ellen Smit
- Ferring B.V., Polarisavenue 130, 2132 JX Hoofddorp, The Netherlands
| | - Joop Laven
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynaecology, Erasmus Medical Center, Dr. Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
| | - Annemieke Hoek
- Department of Obstetrics and Gynaecology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, PO 30001, 9700 RB Groningen, The Netherlands
| | - Jacky Boivin
- School of Psychology, Cardiff University, 70 Park Place, Cardiff, Wales, CF10 3AT, UK.
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Ribeiro S, Pedro J, Martins MV. Psychosocial experiences of involuntary definitive childless women: a comparative study based on reproductive status. Hum Reprod 2024; 39:559-568. [PMID: 38290160 DOI: 10.1093/humrep/deae001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/27/2023] [Indexed: 02/01/2024] Open
Abstract
STUDY QUESTION Do involuntary definitive childless women have lower psychosocial adjustment levels than women with infertility diagnoses actively trying to conceive and presumably fertile women? SUMMARY ANSWER Involuntary definitive childless women have lower levels of sexual functioning than infertile women actively trying to conceive and presumably fertile women, and higher levels of depression than presumably fertile women. WHAT IS KNOWN ALREADY Involuntary definitive childless defines those who wanted to become parents but were unable to do so. Studies have provided evidence about infertility and its psychosocial consequences, but there is a lack of knowledge about the impact of involuntary definitive childlessness, namely on sexual function, social support, marital satisfaction, and psychological adjustment. STUDY DESIGN, SIZE, DURATION This associative study was conducted between July 2021 and January 2022 for involuntary definitive childless women and between July 2016 and February 2018 for women with an infertility diagnosis actively trying to conceive as well as presumably fertile women. An online questionnaire announced in social media and gynaecology and fertility clinics was used. The inclusion criteria for all participants were being childless, in a heterosexual relationship and cohabiting for at least 2 years. Specific inclusion criteria for involuntary definitive childless women were: trying to conceive for at least 2 years; not achieving pregnancy because of biological and medical constraints; and not undergoing fertility treatment or being a candidate for adopting a child at time of the study. For women with an infertility diagnosis the inclusion criteria were: actively trying to conceive (naturally or through fertility treatments); having a primary fertility diagnosis; and aged between 22 and 42 years old. For presumably fertile women, the inclusion criteria were: having a parenthood wish in the future; and not knowing of any condition that could prevent them from conceiving. PARTICIPANTS/MATERIALS, SETTING, METHODS Out of 360 women completing the survey, only 203 were eligible for this study (60 involuntary definitive childless women, 78 women with an infertility diagnosis actively trying to conceive, and 65 presumably fertile women). All participants completed a questionnaire including sociodemographic and clinical data, the Female Sexual Function Index, the 2-Way Social Support Scale, the Relationship Assessment Scale, and Hospital Anxiety and Depression Scale. Binary logistic regression was performed to assess the relation between sexual function, social support, marital satisfaction, anxiety, depression, and reproductive status, adjusting for age, and cohabitation length. Presumably fertile women were used as a reference group. MAIN RESULTS AND THE ROLE OF CHANCE Women were 34.31 years old (SD = 5.89) and cohabited with their partners for 6.55 years (SD = 4.57). The odds ratio (OR) showed that involuntary definitive childless women had significantly lower sexual function than infertile women actively trying to conceive (OR = 0.88, 95% CI = 0.79-0.99) and presumably fertile women (OR = 34.89, 95% CI = 1.98-614.03), and higher depression levels than presumably fertile women (OR = 99.89, 95% CI = 3.29-3037.87). Women with an infertility diagnosis actively trying to conceive did not differ from presumably fertile women in sexual function, social support, marital satisfaction, anxiety, and depression. LIMITATIONS, REASONS FOR CAUTION The majority of childless women underwent fertility treatments, and childlessness for circumstantial reasons owing to lack of a partner was not included, therefore these results may not reflect the experiences of all women with an involuntary childless lifestyle. There was a time gap in the recruitment process, and only the definitive childlessness group filled out the questionnaire after the coronavirus disease 2019 pandemic. We did not ask participants if they self-identified themselves with the groups' terminology they were assigned to. WIDER IMPLICATIONS OF THE FINDINGS Our results emphasize the importance of future research to provide a more comprehensive understanding of the adjustment experiences of childless women and an awareness of the poor adjustment they might experience, highlighting the need to keep following women after unsuccessful treatments. Clinical practitioners must attend to these dimensions when consulting involuntary definitive childless women who might not have gone through treatments but also experience these adverse outcomes. STUDY FUNDING/COMPETING INTEREST(S) This study was partially supported by the Portuguese Foundation for Science and Technology. The authors declare that they have no conflict of interest. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- Sara Ribeiro
- Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal
| | - Juliana Pedro
- Centre for Reproductive Genetics A.Barros, Porto, Portugal
- Center for Psychology at University of Porto, Porto, Portugal
| | - Mariana Veloso Martins
- Faculty of Psychology and Education Sciences, University of Porto, Porto, Portugal
- Center for Psychology at University of Porto, Porto, Portugal
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Crawshaw M, Pericleous-Smith A, Dark S. Counselling challenges associated with donor conception and surrogacy treatments - time for debate. HUM FERTIL 2022; 25:806-812. [PMID: 34240666 DOI: 10.1080/14647273.2021.1950850] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Fertility counselling services have had to respond to significant developments in fertility treatments in recent years, prompting increasingly complex personal and professional ethical challenges. This Commentary focuses on those rising from donor conception and/or surrogacy. The profile of those seeking such treatments has changed to include growing numbers of same sex couples, single people, people who are transitioning or have done, people seeking posthumous use of gametes, and people using cross-border services. Alongside, awareness has grown of life-span implications, the impact of commercial DNA testing, and the need for 'later-life' support. Responses vary internationally and the time for debate is overdue. Who should provide fertility counselling and how? Should specialist qualifications, training, continuing professional development, and regulation be required? Should counsellors play a role in assessing suitability to parents? What aspects of different contractual arrangements and conflicts of interest need attention? Has the time come for counselling to be mandatory as part of pre-treatment pathways? What should be the relationship between fertility counsellors and multi-disciplinary clinic teams? How might fertility counsellors be represented nationally and internationally? What should be their relationship to 'later life' professional support? What place should professional knowledge hold in the evidence base?
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Affiliation(s)
- Marilyn Crawshaw
- Department of Social Policy & Social Work, University of York, York, UK
| | | | - Suzanne Dark
- Jessop Fertility, Sheffield Teaching Hospitals NHS Trust, Sheffield, UK
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Payne N, van den Akker O. Mental health and coping with fertility treatment cessation during the COVID-19 pandemic in the UK. J Psychosom Obstet Gynaecol 2022; 43:550-556. [PMID: 35833417 DOI: 10.1080/0167482x.2022.2097475] [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: 10/17/2022] Open
Abstract
PURPOSE This study examined experiences during the cessation of fertility treatment due to the COVID-19 pandemic, including levels of mental health, coping strategies used to manage uncertainty about treatment due to the pandemic, sources of support, and predictors of mental health. METHODS One hundred and seventy-five participants in the UK completed an online survey. RESULTS Half of the participants experienced clinical levels of anxiety and/or depression, and 20% reported suicidal feelings as a result of the uncertainty about treatment due to the pandemic. Support from friends, family and online forums were reported by more than half of participants, but support from fertility clinics or counsellors were reported by less than one quarter. The strategy used most frequently to cope with the uncertainty about treatment due to the pandemic was self-distraction, and this predicted reduced depression. However, self-blame, behavioral disengagement and venting predicted increased depression and self-blame, behavioral disengagement, and denial predicted increased anxiety. CONCLUSIONS Fertility clinic communication and psychological support, such as counselling, which had substantially reduced during treatment cessation, could include some focus on personal coping, including what to avoid. Psychological support is likely to be more important now than ever. Despite resumption of treatment, the impacts of the period of cessation and of COVID-19 are likely to continue to reverberate.
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Affiliation(s)
- Nicola Payne
- Department of Psychology, Middlesex University, London, UK
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Fertility Decision-Making in the UK: Insights from a Qualitative Study among British Men and Women. SOCIAL SCIENCES 2022. [DOI: 10.3390/socsci11090409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Scholars are interested in better understanding the low fertility observed in higher income countries. While some people are choosing to have smaller families, countries also report a ‘fertility gap’, which is the proportion of people who end up with fewer children than originally desired. This paper investigates some causes of the fertility gap in the UK. We amassed qualitative data from seven focus groups conducted among men and women of reproductive age with different educational backgrounds. These focus groups suggest that social support is an influential factor for Britons thinking about having children, although discussions differed in terms of whether this was support from partners or parents. Discussions with university-educated women featured themes of career opportunity costs, and non-university men contributed insights on the financial burden of parenthood. This exploratory study provides up-to-date material on unwanted childlessness and the low fertility in the UK, and highlights the merit of using qualitative methods in understanding the fertility gap.
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Straiton M, Hollander AC, Hynek KA, Liefbroer AC, Hauge LJ. The relationship between motherhood and use of mental health care services among married migrant and non-migrant women: a national register study. BMC Psychiatry 2022; 22:211. [PMID: 35313854 PMCID: PMC8939178 DOI: 10.1186/s12888-022-03848-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 03/10/2022] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Giving birth to one's first child is a life changing event. Beyond the post-partum period, little is known about the association between becoming a mother and mental disorder among migrant women. This study investigates outpatient mental health (OPMH) service use, a proxy for mental disorder, among married migrant and non-migrant women who become mothers and those who do not. METHODS Using Norwegian register data, we followed 90,195 married women, aged 18-40 years, with no children at baseline between 2008-2013 to see if becoming a mother was associated with OPMH service use. Data were analysed using discrete time analyses. RESULTS We found an interaction between motherhood and migrant category. Married non-migrant mothers, both in the perinatal period and beyond, had lower odds of OPMH use than married non-mothers. There was no association between motherhood and OPMH service use for migrants. However, there was no significant interaction between motherhood and migrant category when we excluded women who had been in Norway less than five years. Among women aged 25-40 years, a stable labour market attachment was associated with lower odds of OPMH use for non-migrants but not migrants, regardless of motherhood status. CONCLUSIONS The perinatal period is not associated with increased odds of OPMH use and appears to be associated with lower odds for married non-migrant women. Selection effects and barriers to care may explain the lack of difference in OPMH service use that we found across motherhood status and labour market attachment for married migrant women. Married migrant women in general have a lower level of OPMH use than married non-migrants. Married migrant women with less than five years in Norway and those with no/weak labour market attachment may experience the greatest barriers to care. Further research to bridge the gap between need for, and use of, mental health care among migrant women is required.
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Affiliation(s)
- Melanie Straiton
- Department of Mental Health and Suicide, Norwegian Institute of Public Health, PO Box 222, Skøyen, 0213, Oslo, Norway.
| | - Anna-Clara Hollander
- grid.4714.60000 0004 1937 0626Epidemiology of Psychiatric Conditions, Substance Use and Social Environment, Department of Global Public Health, Karolinska Institute, 171 77 Stockholm, Sweden
| | - Kamila Angelika Hynek
- grid.418193.60000 0001 1541 4204Department of Mental Health and Suicide, Norwegian Institute of Public Health, PO Box 222, Skøyen, 0213 Oslo, Norway
| | - Aart C. Liefbroer
- grid.450170.70000 0001 2189 2317Netherlands Interdisciplinary Demographic Institute, PO Box 11650, 2502 AR The Hague, The Netherlands ,grid.4830.f0000 0004 0407 1981Department of Epidemiology, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands ,grid.12380.380000 0004 1754 9227Department of Sociology, Vrije Universiteit, Amsterdam, The Netherlands
| | - Lars Johan Hauge
- grid.418193.60000 0001 1541 4204Department of Mental Health and Suicide, Norwegian Institute of Public Health, PO Box 222, Skøyen, 0213 Oslo, Norway
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Pericleous-Smith A, Dark S, McCluskey G, Mizen L, Crawshaw M. Survey of fertility counselling provision in UK licensed treatment centres during the first phase of the COVID-19 pandemic. HUM FERTIL 2021:1-11. [PMID: 33749479 DOI: 10.1080/14647273.2021.1898053] [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] [Indexed: 10/21/2022]
Abstract
A survey of UK fertility counsellors' experiences of the impact on their service, including its availability, during the first phase of the COVID-19 pandemic in the spring of 2020 received 64 responses. Fifty three respondents had continued to provide a service. Forty now worked from a wholly/substantially different location to normal but many clinics provided no practical support for this (n = 17), or remote access to relevant clinic (n = 17) or client information (n = 12) and twenty five respondents reported reduced multi-disciplinary involvement. Few received regular information updates. Some whose service was stopped (n = 11) abruptly lost income and/or were unsure whether they could or would resume working. Increased remote counselling proved crucial for accessibility and could be effective. Concerns included fatigue, technical and practical challenges, confidentiality, lowered therapeutic effectiveness. Respondents supported patients having choice over how to receive counselling in the future but a third (n = 21) had not been included in such planning. These findings suggest the need for increased involvement and support of fertility counsellors in the event of a future waves, other pandemic or healthcare crisis. More needs to be understood about why clinic responses varied; how to improve the safety and efficacy of remote counselling; and how to accommodate future needs for face-to-face contact.
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Affiliation(s)
| | - Suzanne Dark
- Jessop Fertility, Sheffield Teaching Hospitals NHS Trust, Sheffield, UK
| | | | - Lynda Mizen
- Wales Fertility Institute, Neath Port Talbot Hospital, Swansea, UK
| | - Marilyn Crawshaw
- Department of Social Policy and Social Work, University of York, York, UK
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Polyakov A, Rozen G. Social egg freezing and donation: waste not, want not. JOURNAL OF MEDICAL ETHICS 2021; 47:medethics-2020-106607. [PMID: 33402431 DOI: 10.1136/medethics-2020-106607] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 11/23/2020] [Accepted: 11/29/2020] [Indexed: 05/03/2023]
Abstract
The trend towards postponement of childbearing has seen increasing numbers of women turning towards oocyte banking for anticipated gamete exhaustion (AGE banking), which offers a realistic chance of achieving genetically connected offspring. However, there are concerns around the use of this technology, including social/ethical implications, low rate of utilisation and its cost-effectiveness. The same societal trends have also resulted in an increased demand and unmet need for donor oocytes, with many women choosing to travel overseas for treatment. This has its own inherent social, medical, financial and psychological sequelae. We propose a possible pathway to address these dual realities. The donation of oocytes originally stored in the context of AGE banking, with appropriate compensatory mechanisms, would ameliorate AGE banking concerns, while simultaneously improving the supply of donor oocytes. This proposed arrangement will result in tangible benefits for prospective donors, recipients and society at large.
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Affiliation(s)
- Alex Polyakov
- Obstetrics and Gynaecology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
- Melbourne IVF, East Melbourne, Victoria, Australia
| | - Genia Rozen
- Obstetrics and Gynaecology, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
- Melbourne IVF, East Melbourne, Victoria, Australia
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Imai Y, Endo M, Kuroda K, Tomooka K, Ikemoto Y, Sato S, Mitsui K, Ueda Y, Deshpande GA, Tanaka A, Sugiyama R, Nakagawa K, Sato Y, Kuribayashi Y, Itakura A, Takeda S, Tanigawa T. Risk factors for resignation from work after starting infertility treatment among Japanese women: Japan-Female Employment and Mental health in Assisted reproductive technology (J-FEMA) study. Occup Environ Med 2020; 78:oemed-2020-106745. [PMID: 33273052 PMCID: PMC8142458 DOI: 10.1136/oemed-2020-106745] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 10/28/2020] [Accepted: 11/09/2020] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To elucidate the risk factors associated with resignation from work of Japanese women undergoing infertility treatment. METHODS A total of 1727 female patients who attended a private fertility clinic in Japan participated in the Japan-Female Employment and Mental health in Assisted reproductive technology study. Questions related to demographic, clinical and socioeconomic characteristics were employed in the questionnaire. Out of the 1727 patients, 1075 patients who were working at the time of initiating infertility treatment and felt infertility treatment incompatible with work were included in the analysis. Risk factors for resignation were assessed by using multivariable logistic regression models. RESULTS Among 1075 working women who started infertility treatment, 179 (16.7%) subsequently resigned. Multivariable-adjusted ORs for resignation in those with lower educational background and infertility for ≥2 years were 1.58 (95% CI: 1.07 to 2.34) and 1.82 (95% CI: 1.15 to 2.89), respectively. The OR for resignation in non-permanent workers undergoing infertility treatment was 2.65 (95% CI: 1.61 to 4.37). While experiencing harassment in the workplace approached significance, lack of support from the company was significantly associated with resignation after starting infertility treatment, with ORs of 1.71 (95% CI: 0.98 to 2.99) and 1.91 (95% CI: 1.28 to 2.86), respectively. CONCLUSION One-sixth of women resigned after starting infertility treatments. It was found that factors related to education, infertility duration and work environment were significantly associated with resignation. Reducing the physical and psychological burden endured by women, for example, by increasing employer-provided support, is vitally important in balancing infertility treatment with maintenance of work life.
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Affiliation(s)
- Yuya Imai
- Department of Public Health, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Motoki Endo
- Department of Public Health, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Keiji Kuroda
- Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
- Center for Reproductive Medicine and Implantation Research, Sugiyama Clinic Shinjuku, Shinjuku-ku, Tokyo, Japan
| | - Kiyohide Tomooka
- Department of Public Health, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Yuko Ikemoto
- Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Setsuko Sato
- Department of Public Health, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Kiyomi Mitsui
- Department of Hygiene, Public Health, and Preventive Medicine, Showa University, Shinagawa-ku, Tokyo, Japan
| | - Yuito Ueda
- Department of Public Health, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Gautam A Deshpande
- Department of General Internal Medicine, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Atsushi Tanaka
- Saint Mother Hospital Infertility Clinic, Kitakyushu, Fukuoka, Japan
| | - Rikikazu Sugiyama
- Center for Reproductive Medicine and Implantation Research, Sugiyama Clinic Shinjuku, Shinjuku-ku, Tokyo, Japan
| | - Koji Nakagawa
- Center for Reproductive Medicine and Implantation Research, Sugiyama Clinic Shinjuku, Shinjuku-ku, Tokyo, Japan
| | | | - Yasushi Kuribayashi
- Center for Reproductive Medicine and Endoscopy Sugiyama Clinic Marunouchi, Chiyoda-ku, Tokyo, Japan
| | - Atsuo Itakura
- Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Satoru Takeda
- Department of Obstetrics and Gynecology, Juntendo University Faculty of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Takeshi Tanigawa
- Department of Public Health, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
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