Eugene R Declercq

OBJECTIVE: To evaluate pregnancy and birth outcomes by type of infertility treatment received. STUDY DESIGN: Assisted reproductive technology (ART) data on women who were both treated and gave birth in Massachusetts were linked to vital re…

A persistent finding is that assisted reproductive technology (ART) is associated with compromised birth outcomes, including higher risks for prematurity, low birthweight, and congenital malformations, even among singletons. Over the past d…

OBJECTIVE: To assess whether risk of severe maternal morbidity at delivery differed for women who conceived using assisted reproductive technology (ART), those with indicators of subfertility but no ART ("subfertile"), and those who had nei…

OBJECTIVE: To evaluate risks for adverse pregnancy outcomes by number of embryos transferred (ET) and fetal heartbeats (FHB) in assisted reproductive technology-conceived singleton live births. DESIGN: Longitudinal cohort using cycles repo…

OBJECTIVE: To evaluate assisted reproductive technology (ART) pregnancy outcomes by infertility diagnosis. STUDY DESIGN: ART data on women who were treated and gave birth in Massachusetts were linked to vital records and hospital utilizati…

OBJECTIVE: To identify a group of deliveries to mothers with indicators of subfertility (SUBFERTILITY). DESIGN: Longitudinal cohort study. SETTING: Hospital. PATIENT(S): A total of 334,152 deliveries to Massachusetts mothers in a Massach…