STUDY QUESTION Can predictors of low and high ovarian responses be identified in patients undergoing controlled ovarian stimulation (COS) in a GnRH antagonist protocol? SUMMARY ANSWER Common prognostic factors for high and low ovarian responses were female age, antral follicle count (AFC) and basal serum FSH and LH. WHAT IS KNOWN ALREADY Predictors of ovarian response have been identified i...

Background: Our Background was to evaluate the effect of ovarian endometrioma on ovarian stimulation outcomes in Intra Cytoplasmic Sperm Injection (ICSI). Materials and Methods: In this prospective cohort study, we followed 103 patients underwent ICSI procedures at royan Institute during 10 month. The study group consisted of 46 women who had endometriomawith size more than 1 cm. The control gr...

introduction: the purpose of this study was to evaluate the effect of different doses of retinoic acid on resumption of meiosis, in vitro maturation of oocytes and resulting embryo development in mice. materials and methods: germinal vesicle of nmri female mouse (6-8 weeks old) oocytes were collected from ovaries and cultured in maturation medium mem-α contained: 100 mliu/ml rfsh + 7.5 iu/ml hc...

Mục tiêu nghiên cứu: Khảo sát đặc điểm về việc sử dụng thuốc nội tiết và đáp ứng điều trị trong thụ tinh ống nghiệm. Đối tượng và phương pháp Nghiên cứu mô tả cắt ngang được thực hiện trên hồ sơ bệnh án của nhân ngoại trú chỉ định nghiệm tại Đơn vị hỗ trợ sinh sản khoa Hiếm muộn, viện Từ Dũ từ tháng 10 năm 2020 đến 3 2021. khảo chung đối tượng cứu, tiết, kết quả các yếu tố liên quan số lượng no...

At early stages of development, the human embryo is protected by a surrounding two-layer coating—the zona pellucida. As the embryo develops further, this coating becomes thinner and, at the blastocyst stage, the thin coating is broken off and the embryo ‘hatches’ such that it can implant into the uterine wall. Following in vitro fertilization and in vitro growth, many embryos do not implant aft...