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Endometriosis (EMs) refers to the presence of endometrial tissue outside the uterine cavity. It is a chronic, hormone-dependent gynecological disease affecting millions of women worldwide. Although EMs is benign in morphology, it is characterized by proliferation, infiltration and recurrence of malignant tumors in clinical behavior. There is sufficient evidence to indicate that it can increase the risk of malignant transformation through various mechanisms, but the specific mechanism of the malignant transformation of EMs is unclear currently. There is increasing evidence that epigenetic modification is not only involved in the development of EMs, but also plays an important role in the pathogenesis of malignant transformation of endometriosis, including DNA methylation and demethylation, histone modification, abnormal expression of microRNAs (miRNAs), etc. This paper reviews the research progress on the mechanism of epigenetics and endometriosis associated ovarian cancer (EAOC) in order to find out some risk factors that may be related to the malignant transformation of endometriosis. [ABSTRACT FROM AUTHOR]

Pelvic organ prolapse (POP) has become a common condition in adult women as risk factors such as age, obesity and childbirth increase. The treatment and management of POP are obviously individualized and diversed, and the optimal strategy should be selected from a variety of strategies according to the individual situation of patients. The surgical strategy also developed from the initial open surgery to minimally invasive laparoscopic technology, and now the minimally invasive robotic technology. Robotic-assisted sacrocolpopexy (RASC) is an emerging surgical technique. Recent studies have shown that RASC not only has the advantages of less blood loss, faster internal recovery, and less risk of mesh exposure, but its short-term and medium-term postoperative repair effect is similar to that of abdominal sacrocolpopexy （ASC）. Although RASC has a long learning curve, unclear long -term efficacy and high cost, these problems will be gradually overcome by the development of this technology. [ABSTRACT FROM AUTHOR]