Assisted Reproductive Technology and Breech Delivery: A Nationwide Cohort Study in Singleton Pregnancies.

ABSTRACT: Since essential factors have changed in recent years in assisted reproduction technologies (ARTs), this study reassessed the association between ART and breech presentation. We primarily aimed to estimate the correlation between ART and breech at delivery. Secondary purposes were to evaluate the correlation between other subfertility treatments (OSTs) and breech and to assess possible confounding factors and temporal trends. This study investigated the 31,692,729 live birth certificates from US states and territories in the 2009-2020 period. The inclusion criteria were singleton births reporting the method of conception and the presentation at delivery. The outcome was the breech presentation at delivery, while the primary exposure was ART, the secondary exposure was OST, and the potential

SUBMITTER: Londero AP 

PROVIDER: S-EPMC10381648 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature