Maternal pre-pregnancy body mass index and risk of preterm birth: a collaboration using large routine health datasets https://www.medrxiv.org/content/10.1101/2023.04.12.23288473
Maternal pre-pregnancy body mass index and risk of preterm birth: a collaboration using large routine health datasets https://www.medrxiv.org/content/10.1101/2023.04.12.23288473