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Previous studies have shown that existing antral follicles in the luteal phase enable ovarian stimulation. In a pilot study, the efficacy of double stimulations during the follicular and luteal phases in women with poor ovarian response was explored (defined according to the Bologna criteria). Thirty-eight women began with mild ovarian stimulation. After(More)
OBJECTIVES To compare the expression of pinopodes, LIF, integrin beta(3) and MUC1 in the peri-implantation endometrium of women with and without hydrosalpinx. STUDY DESIGN A prospective observational study in an assisted reproductive unit in a university teaching hospital, including 20 women with hydrosalpinx and 21 women without hydrosalpinx. Endometrial(More)
OBJECTIVE To explore the feasibility of luteal-phase ovarian stimulation using hMG and letrozole in terms of ovarian response and pregnancy outcome using frozen-thawed embryo transfer. DESIGN A prospective cohort study. SETTING Academic tertiary-care medical center. PATIENT(S) Two hundred forty-two female patients undergoing IVF/intracytoplasmic sperm(More)
OBJECTIVE To analyse the contraceptive prevalence rate (CPR) among - and contraceptive methods used by - married and unmarried women in China, from 1982 to 2010. METHOD Data concerning married women were collected from national surveys conducted by the Chinese government. Those pertaining to unmarried women were obtained by searching the China Academic(More)
BACKGROUND The study was aimed at investigating the effects of ovarian high response during controlled ovarian hyperstimulation (COH) on implantation and pregnancy outcome in fresh IVF/ICSI cycles, and subsequent frozen-thawed embryo transfer (FET) cycles. METHODS An analysis of 1,196 cycles using a long protocol with GnRHa and rFSH was performed. A serum(More)
OBJECTIVE To investigate the effects of ovarian stimulation on endometrial receptivity in the peri-implantation phase. DESIGN Comparison of integrin beta3 and leukemia inhibitory factor (LIF) expression in endometrial biopsies from moderate responders and high responders with temporally matched natural cycles. SETTING Clinical and experimental research.(More)
OBJECTIVE To investigate the use of medroxyprogesterone acetate (MPA) to prevent LH surge during controlled ovarian hyperstimulation (COH) and to compare cycle characteristics and pregnancy outcomes in subsequently frozen-thawed ET (FET) cycles. DESIGN A prospective controlled study. SETTING Tertiary-care academic medical center. PATIENT(S) Three(More)
OBJECTIVE To investigate flexibility in starting controlled ovarian stimulation at any phase of the menstrual cycle in infertile women undergoing treatment with assisted reproduction. DESIGN Retrospective cohort study. SETTING Academic tertiary-care medical center. PATIENT(S) At total of 150 infertile patients undergoing in vitro fertilization (IVF)(More)
OBJECTIVE To assess live-birth defects after a luteal-phase ovarian-stimulation regimen (LPS) for in vitro fertilization (IVF) and vitrified embryo transfer (ET) cycles. DESIGN Retrospective cohort study. SETTING Tertiary-care academic medical center. PATIENT(S) Infants who were born between January 1, 2013 and May 1, 2014 from IVF with(More)
Apoptosis of abnormal oocytes is essential for defective oocyte elimination during prepubertal ovary development, and the ubiquitin system regulates the cell apoptosis via the degradation of specific proteins. Ubiquitin carboxyl-terminal hydrolase L1 (UCH-L1) is a component of the ubiquitin system, and the UCH-L1-dependent apoptosis is important for(More)