BACKGROUND: Limited research exists on the obstetric risk profiles of women in same-sex relationships (WSSR) undergoing childbirth. METHODS: Population-based cohort study including deliveries in the Swedish Stockholm-Gotland regions, Januar…
To investigate the effect of endometriosis on venous thromboembolism (VTE) in oral contraceptive (OC) users. Pooled analysis on a harmonized dataset compromising international patient-centric cohort studies: INAS-VIPOS, INAS-SCORE, and INAS…
IMPORTANCE: Pregnancies resulting from assisted reproductive technology are associated with an increased risk of adverse perinatal outcomes compared with those following natural conception. Previous studies have shown an association of preg…
BACKGROUND: The association between assisted reproductive technologies (ARTs) and the body mass index (BMI) of children remains controversial. Confounding by morbidity and other factors associated with parental infertility may have biased s…
BACKGROUND: To assess the extent to which multiple gestations mediate risk of pregnancy complications from fertility treatment and to address possible confounding by the underlying infertility. METHODS: From the nearly 1.8 million pregnanc…