BACKGROUND High, normal and poor responders are usually defined by reference to subjectively selected estradiol E2 levels at days 4-6 and the day of hCG administration (d-hCG). The purpose of this study was to use E2 percentile curves from day 5 until d-hCG to determine high, normal and poor responders, and to predict IVF outcome. METHODS In this retrospective study, 762 patients underwent 90...

Background Our objective was to evaluate the effectiveness of clomiphene citrate (CC) vs. letrozole (L) plus human menopausal gonadotropin (hMG) in gonadotropin releasing hormone (GnRH) antagonist protocol in poor prognosis women with previous failed ovarian stimulation undergoing intracytoplasmic sperm injection (ICSI). MaterialsAndMethods This retrospective cohort study included cycles with C...

Materials and Methods: This prospective study was performed on 70 patients undergoing controlled ovarian hyperstimulation and followed by the IVF Department between February 2009-June 2009. Age, body mass index (BMI), basal levels of folliclestimulating hormone (FSH), estradiol (E2), luteinizing hormone (LH), ovarian volume, and number of antral follicles were compared between the good responde...