Preconception and Early-Pregnancy Body Mass Index in Women and Men, Time to Pregnancy, and Risk of Miscarriage.

ABSTRACT:

Importance

Obesity in women is associated with reduced fertility and an increased risk of miscarriage. These associations might also be present across the full range of body mass index (BMI) categories as well as among men.

Objective

To investigate the associations of preconception BMI in both partners with time to pregnancy and miscarriage.

Design, setting, and participants

This population-based prospective cohort study was conducted in Rotterdam, the Netherlands, between August 9, 2017, and July 1, 2021. A total of 3604 women and their partners were included from the preconception period onward with follow-up until birth. The date of analysis was July 12, 2024.

Exposure

Body mass index (calculated as weight in kilograms divided by height in meters squared) me

SUBMITTER: Boxem AJ 

PROVIDER: S-EPMC11413718 | biostudies-literature | 2024 Sep

REPOSITORIES: biostudies-literature