BACKGROUND: Multiple births and first pregnancy are associated with higher preeclampsia risk. It is unknown if the transfer of multiple embryos or first embryo transfer with assisted reproductive technology (ART) is also associated with gre…
BACKGROUND: Sexually transmitted diseases, including chlamydia and gonorrhea, cause of pelvic inflammatory disease (PID) and infertility. We estimated the prevalence of infertility and infertility health care seeking. METHODS: We analyzed …
PURPOSE: The aim of this study was to identify factors associated with double embryo implantation following double embryo transfer (DET) during assisted reproductive technology (ART) procedures and to evaluate the implications of findings i…
OBJECTIVE: To assess trends in elective single ET and identify factors associated with a good perinatal outcome. DESIGN: Retrospective cohort study. SETTING: Clinic-based data. PATIENT(S): A total of 886,686 fresh, nondonor cycles report…