OBJECTIVE: To characterize risks for early pregnancy loss after fresh and frozen IVF cycles and to investigate whether risk is modified by infertility diagnoses or transfer of embryos in fresh versus frozen cycles. DESIGN: Retrospective co…
OBJECTIVE: To assess the characteristics of IVF cycles for which preimplantation genetic diagnosis (PGD) was used and to evaluate indications for PGD and treatment outcomes associated with this procedure as compared with cycles without PGD …
OBJECTIVE: To evaluate trends and reproductive outcomes of gestational surrogacy in the United States. DESIGN: Retrospective cohort study. SETTING: Infertility clinics. PATIENT(S): IVF cycles transferring at least one embryo. INTERVENTI…
OBJECTIVE: To use linked assisted reproductive technology (ART) surveillance and birth certificate data to compare ET practices and perinatal outcomes for a state with a comprehensive mandate requiring coverage of IVF services versus states…
OBJECTIVE: To assess endometriosis-associated infertility trends among assisted reproductive technology (ART) cycles, and to compare cancellation and hyperstimulation risks and pregnancy and live birth rates among women using ART for endome…
OBJECTIVE: To assess national trends in ectopic pregnancy incidence among assisted reproductive technology users and identify risk factors associated with ectopic pregnancy. METHODS: We identified 553,577 pregnancies reported to the Nation…
OBJECTIVE: To evaluate trends of monozygotic twinning after single embryo transfer and its association with patient and treatment factors. METHODS: Our retrospective cohort study included 28,596 pregnancies after fresh, nondonor single emb…
OBJECTIVE: To assess the association between number of embryos transferred and a measure of assisted reproductive technology success that emphasizes good perinatal outcome. METHODS: We analyzed assisted reproductive technology cycles initi…
IMPORTANCE: The prevalence of oocyte donation for in vitro fertilization (IVF) has increased in the United States, but little information is available regarding maternal or infant outcomes to improve counseling and clinical decision making.…