Birth defects surveillance after assisted reproductive technology in Beijing: a whole of population-based cohort study.

ABSTRACT:

Objectives

To compare the differences in the prevalence of birth defects among offspring conceived by assisted reproductive technology (ART) and conceived spontaneously (non-ART), and assess the contribution of ART to birth defects.

Design

A population-based retrospective cohort study.

Setting

Beijing.

Participants

Pregnant women whose expected date of childbirth was verified as occurring between October 2014 and September 2015, and were registered on the Beijing Maternal and Child Health Information Network System, were the recorded pregnancy outcomes. 2699 ART offspring and 191 368 non-ART offspring (live births, stillbirths and medical terminations) were included in our study.

Interventions

None.

Outcome measures

Risk ratios (RR) for birth defe

SUBMITTER: Zhang L 

PROVIDER: S-EPMC8231031 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature