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    Is anti-Müllerian hormone (AMH) associated with live birth rate (LBR) in women with unexplained recurrent pregnancy loss (RPL)? Cohort study of women with unexplained RPL attending the RPL Unit, Copenhagen University Hospital, Denmark, between 2015 and 2021. AMH concentration was assessed upon referral, and LBR in the next pregnancy. RPL was defined as three or more consecutive pregnancy losses. Regression analyses were adjusted for age, number of previous losses, body mass index, smoking, treatment with assisted reproductive technology (ART) and RPL treatments. A total of 629 women were included; 507 (80.6%) became pregnant after referral. Pregnancy rates were similar for women with low and high AMH compared to women with medium AMH (81.9, 80.3 and 79.7%, respectively) (low AMH: adjusted odds ratio [aOR] 1.44, 95% confidence interval [CI] 0.84-2.47, P = 0.18; high AMH: aOR 0.98, 95% CI 0.59-1.64, P = 0.95). AMH concentrations were not associated with live birth. LBR was 59.5% in women with low AMH, 66.1% with medium AMH and 65.1% with high AMH (low AMH: aOR 0.68, 95% CI 0.41-1.11, P = 0.12, high AMH: aOR 0.96, 95% CI 0.59-1.56, P = 0.87). Live birth was lower in ART pregnancies (aOR 0.57, 95% CI 0.33-0.97, P = 0.04) and with higher numbers of previous losses (aOR 0.81, 95% CI 0.68-0.95, P = 0.01). In women with unexplained RPL, AMH was not associated with the chances of live birth in the next pregnancy. Screening for AMH in all women with RPL is not supported by current evidence. The chance of live birth among women with unexplained RPL achieving pregnancy by ART was low and needs to be confirmed and explored in future studies. Copyright © 2023 The Author(s). Published by Elsevier Ltd.. All rights reserved.


    Sofie Bliddal, Ulla Feldt-Rasmussen, Julie Lyng Forman, Linda Maria Hilsted, Elisabeth Clare Larsen, Ole Bjarne Christiansen, Claus Henrik Nielsen, Astrid Marie Kolte, Henriette Svarre Nielsen. Anti-Müllerian hormone and live birth in unexplained recurrent pregnancy loss. Reproductive biomedicine online. 2023 Jun;46(6):995-1003

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    PMID: 37055255

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