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. 2020 Oct 28;2(1):58–66. doi: 10.1016/j.xfre.2020.10.006

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© 2020 The Author(s)

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

PMC Copyright notice

Association between (A) donor and (B) recipient body mass index (BMI) and probability of positive pregnancy test (PPT), miscarriage, and live birth (among 338 donors and 932 recipients who had a total of 1,651 embryo transfer cycles). Log binomial regression with cluster-weighted generalized estimating equations was used to analyze the association between donor/recipient BMI and probability of PPT, miscarriage, and live birth. The weight was equal to the inverse of the number of embryo transfer cycles. Models for donor BMI were adjusted for donor’s age and race, recipient’s BMI and age, uterine-factor infertility, polycystic ovary syndrome (PCOS), and retrieval year. Models for recipient BMI were adjusted for donor’s age and BMI, recipient’s age and race, uterine-factor infertility, PCOS, and retrieval year. P_trend was calculated with the median values of each category of BMI as continuous variables.