Abstract Background: To present the experience of surgical management of ureteral endometriosis (UE) in our single center. Methods: A retrospective analysis of 40 cases of UE who had intraoperative surgical findings of endometriosis involvi…
OBJECTIVE: To investigate the outcomes of the first ART cycle including all subsequent frozen-thaw cycles from the same oocyte retrieval till first live birth in women with cured endometrial tuberculosis. STUDY DESIGN: This is a 1:4 matche…
OBJECTIVE: To investigate the prevalence and the related characteristics of oligomenorrhea among women within childbearing age in China. STUDY DESIGN: A large-scale community-based investigation was conducted from 2013 to 2015. A total of …
Regulatory T cells (Tregs) are a specialized subset of T lymphocytes that function as suppressive immune cells and inhibit various elements of immune response in vitro and in vivo. While there are constraints on the number or function of Tr…
At present, the precise role of human menopausal gonadotropin (HMG) and recombinant luteinizing hormone (rLH) supplementation at an early time of follicular phase on in vitro fertilization (IVF)/intra cytoplasmatic sperm injection (ICSI) ou…
RESEARCH QUESTION: The prevalence of infertility in couples actively trying to conceive is 25%. What is the consultation-seeking behaviour, diagnosis and related treatment in infertile couples across China? DESIGN: Large cross-sectional po…
STUDY QUESTION: What is the recommended assessment and management of infertile women with polycystic ovary syndrome (PCOS), based on the best available evidence, clinical expertize and consumer preference? SUMMARY ANSWER: International evi…
BACKGROUND: Initially identified as suppressors of metastasis in various types of cancer, kisspeptins are a family of neuropeptides that are key regulators of the mammalian reproductive axis. Accumulating evidence has shown that kisspeptin …
BACKGROUND: Luteal support is a key to patients undergoing in vitro fertilization and embryo transfer (IVF-ET) with gonadotropin-releasing hormone (GnRH)-antagonist protocol. This study aimed to compare the effect between vaginal progestero…
OBJECTIVE: To investigate the relationship between the transcription of ANRIL, P15, P14 and P16 at the same locus and the regulation mechanism of ANRIL. METHODS: Publicly available database of Cancer Cell Line Encyclopedia (CCLE) was used …
In the present study, we evaluated the impact of sperm origins and concentration on the clinical outcomes of intracytoplasmic sperm injection (ICSI) cycles. A total of 1201 ICSI cycles were retrospectively analyzed for male azoospermia or o…
Kisspeptins are a family of neuropeptides that are critical for initiating puberty and regulating ovulation in sexually mature females via the central control of the hypothalamic-pituitary-gonadal axis. Recent studies have shown that kisspe…
BACKGROUND: Initially identified for their capability to induce heterotopic bone formation, bone morphogenetic proteins (BMPs) are multifunctional growth factors that belong to the transforming growth factor β superfamily. Using cellular an…
PURPOSES: Embryo quality is associated with successful implantation and live births. Our retrospective study was carried out to determine whether or not cleavage stage embryo quality affects the miscarriage rate, pregnancy complications and…
BACKGROUND: High circulating luteinizing hormone (LH) level is a typical biochemical feature of polycystic ovary syndrome (PCOS) whose pathophysiology is still unclear. Certain mutations of LH and LH receptor (LHR) may lead to changes in bi…
OBJECTIVE: To investigate the clinical features and factors involved in the drug resistance and prognosis of ovarian clear cell adenocarcinoma (OCCA). METHODS: Forty-seven OCCA patients and 53 ovarian serous cyst adenocarcinoma (OSCA) pati…
OBJECTIVE: To evaluate the feasibility and value of abdominal ultrasound guided access for transvaginal hydrolaparoscopy (THL). STUDY DESIGN: One hundred and ninety-three infertile women were retrospectively included. A total of 31 subject…
BACKGROUND: Polycystic ovary syndrome (PCOS) is a common metabolic dysfunction and heterogeneous endocrine disorder in women of reproductive age. Although patients with PCOS are typically characterized by increased numbers of oocytes retrie…
BACKGROUND: Recent evidence from rodent ovaries has demonstrated expression of fractalkine and the existence of fractalkine receptor, and showed that there is a significant increase in steroidogenesis in response to fractalkine, yet the rol…
BACKGROUND: To determine the effect of higher progesterone (P) level on endometrial receptivity. METHODS: This was a prospective analysis conducted in the Reproductive Medical Center of Peking University Third Hospital. All patients receiv…
BACKGROUND: For patients with severe endometriosis, the spontaneous pregnancy rates have been reported to be near 0 due to extreme distortion of normal pelvic anatomy. Surgery is one of the treatment options; however, if patients failed to …
OBJECTIVE: To evaluate the effects of tumor necrosis factor-alpha (TNF-alpha) on porcine oocyte maturation, spindle dynamics, and chromosome alignment. DESIGN: Controlled, prospective study. SETTING: University hospital and IVF research l…
OBJECTIVE: To evaluate the value of transvaginal hydrolaparoscopy (THL) in infertile women with abnormal hysterosalpingogram results but with no history of previous pelvic surgery and with normal gynecological examination and vaginal sonogr…
OBJECTIVE: To report the clinical presentation and treatment of spontaneous rupture of uterine surface veins during late pregnancy after in vitro fertilization (IVF). DESIGN: Case report. SETTING: Medical Unit of Third Hospital of Peking …
OBJECTIVE: To determine the effect of luteinized unruptured follicle (LUF) cycles on frozen thawed embryo transfer (FET). DESIGN: A retrospective analysis comparing the clinical outcomes after FET among 144 cases of luteinized unruptured f…