Ningning Zhang

OBJECTIVE: To explore the relapse - related factors of fertility preservation surgery for borderline ovarian tumors. METHODS: Patients of childbearing age who underwent fertility preservation surgery for borderline ovarian tumors in Sheng …

Reactive oxygen species (ROS) involve in oocyte postovulatory aging, yet the mechanism of ROS accumulation is not fully understood. We explored iron metabolic status and its relationship with ROS in mouse oocytes during postovulatory aging …

Accumulating oxidative damage is a primary driver of ovarian reserve decline along with aging. However, the mechanism behind the imbalance in reactive oxygen species (ROS) is not yet fully understood. Here we investigated changes in iron me…

Most bowel endometriotic lesions are ill-defined serosal and subserosal nodules, and no case of cystic bowel endometriosis has been reported in the literature. This is the first report of an unexpected presentation of bowel endometriosis as…

OBJECTIVE: To measure the inspection depth of uterine lumen by transvaginal ultrasound and assess the association between the inspection depth and pregnancy outcomes in IVF-ET. METHODS: This prospective longitudinal cohort study was conduc…

BACKGROUND: Frozen embryo transfer (FET) can greatly improve the pregnancy outcomes for high responder patients. However, it is not known whether the timing of FET is a risk factor on pregnancy outcomes in high responder patients undergoing…

PURPOSE: Uterine angiomyolipoma (AML) is a rare condition involving benign tumors composed of varying proportions of blood vessels, fat, and epithelioid or spindled smooth muscle cells. We analyzed the clinicopathological features, diagnosi…

OBJECTIVE: To introduce an effective approach for excision of ovarian endometrioma by "water injection"-assisted laparoscopy treatment. DESIGN: Step-by-step video explanation of the surgical procedure with still pictures and surgical video…