Karen M. Summers

OBJECTIVE: To investigate the time to pregnancy in women ≤37 years of age with high response to controlled ovarian stimulation and undergoing an initial fresh transfer vs. those women proceeding with a freeze-all strategy. DESIGN: A retros…

OBJECTIVE: To compare cumulative live birth rate (CLBR) and cost-effectiveness of intracytoplasmic sperm injection (ICSI) vs. conventional in vitro fertilization (cIVF). DESIGN: Retrospective cohort study of cycles reported to the Society …

OBJECTIVE: To investigate cumulative live birth rates (CLBRs) in cycles with and without preimplantation genetic testing for aneuploidy (PGT-A) among patients aged <35 and 35-37 years. DESIGN: Retrospective cohort study. SETTING: Society …

This cohort study examines the association of COVID-19 vaccination status and in vitro fertilization (IVF)-fresh embryo transfer cycle stimulation characteristics and outcomes.

OBJECTIVE: To compare the effects of initial elective single embryo transfer (ieSET) and initial double embryo transfer (iDET) strategies on the cumulative live birth rate (CLBR) and perinatal outcomes after IVF. DESIGN: Retrospective coho…

OBJECTIVE: To determine if weight or body mass index (BMI) affects the serum progesterone level at the time of the pregnancy test in cryopreserved blastocyst transfer cycles and to determine if those serum progesterone levels affect live bi…

IMPORTANCE: Dietary supplements marketed for male fertility commonly contain folic acid and zinc based on limited prior evidence for improving semen quality. However, no large-scale trial has examined the efficacy of this therapy for improv…

OBJECTIVE: To investigate whether the difference between mean gestational sac diameter and crown-rump length (mGSD - CRL) is associated with first-trimester pregnancy loss or adverse pregnancy outcomes after in vitro fertilization (IVF) and…