Association of parental prepregnancy BMI with neonatal outcomes and birth defect in fresh embryo transfer cycles: a retrospective cohort study

Autor: Ruixue Chen, Lifen Chen, Yifeng Liu, Feixia Wang, Siwen Wang, Yun Huang, Kai-Lun Hu, Yuzhi Fan, Ruoyan Liu, Runjv Zhang, Dan Zhang
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: BMC Pregnancy and Childbirth, Vol 21, Iss 1, Pp 1-11 (2021)
Druh dokumentu: article
ISSN: 1471-2393
DOI: 10.1186/s12884-021-04261-y
Popis: Abstract Background Parental body mass index (BMI) is associated with pregnancy outcomes. But the effect of parental prepregnancy BMI on offspring conceived via in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI), especially the birth defect, remains to be determined. This study aimed to investigate the associations of parental prepregnancy BMI with neonatal outcomes and birth defect in fresh embryo transfer cycles. Methods We conducted a retrospective cohort study including 5741 couples in their first fresh IVF/ICSI cycles admitted to Women’s Hospital, School of Medicine, Zhejiang University from January 2013 to July 2016. The primary outcome was birth defects, which was classified according to the International Classification of Diseases, 10th Revision. Secondary outcomes included preterm delivery rate, infant gender, birth weight, small-for-gestational age (SGA) and large-for-gestational age (LGA). Multilevel regression analyses were used to assess the associations of parental prepregnancy BMI with neonatal outcomes and birth defect. Results In singletons, couples with prepregnancy BMI ≥25 kg/m2 had higher odds of LGA than those with BMI
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