PURPOSE: To investigate whether a premature rise in progesterone at the end of the follicular phase is adversely associated with oocyte quality in IVF cycles. METHODS: A retrospective cohort study including patients less than or equal to 4…
The majority of research within reproductive and gynecologic health, or investigating ART, is observational in design. One of the most critical challenges for observational studies is confounding, while one of the most important for discove…
A mediator is a factor that occurs after the exposure of interest, precedes the outcome of interest (i.e. between the exposure and the outcome) and is associated with both the exposure and the outcome of interest (i.e. is on the pathway bet…
BACKGROUND: It is unknown whether certain factors are associated with the success of in vitro fertilization (IVF) in women with inflammatory bowel disease (IBD). AIM: This study assessed whether certain characteristics are associated with …
BACKGROUND: Patients have many beliefs regarding lifestyle factors and IVF outcomes. METHODS: Observational study of 208 IVF patients at an academic infertility center. Main outcome measures were perceived influence of various lifestyle fa…
OBJECTIVE: To investigate characteristics of receiving a medical evaluation for infertility among infertile women. DESIGN: Prospective cohort. SETTING: Academic institution. PATIENT(S): A total of 7,422 women who reported incident infert…
BACKGROUND & AIMS: Inflammatory bowel disease (IBD) affects women of reproductive age, so there are concerns about its effects on fertility. We investigated the success of in vitro fertilization (IVF) in patients with IBD compared with the …
PURPOSE: To assess how patients perceive various lifestyle behaviors impact IVF success. METHODS: Cross-sectional study of heterosexual, English-speaking couples (n = 138) who completed web-based surveys during IVF treatment cycle. Perceiv…
STUDY QUESTION: Is there a relationship between body mass index (BMI), body shape and endometriosis? SUMMARY ANSWER: Endometriosis is inversely associated with early adult BMI and may correlate with a peripheral body fat distribution. WHA…
BACKGROUND: Uterine fibroids are common among women at the reproductive age. Magnetic resonance-guided focused ultrasound surgery (MRgFUS) is a novel and a conservative treatment for symptomatic cases. The aim of the study was to evaluate t…
PURPOSE: To determine embryo and cycle-specific parameters associated with twin live birth in day 3 cryopreserved double embryo transfer (DET) cycles, and to propose a new prediction model for external validation. METHODS: All cycles with …
STUDY QUESTION: Do higher leptin levels and lower adiponectin levels predict subsequent development of endometriosis? SUMMARY ANSWER: Plasma leptin and adiponectin levels were not associated with laparoscopically confirmed endometriosis wh…