Transumbilical laparoendoscopic single-site surgery for pregnancy complicated with ruptured giant ovarian teratoma in the third trimester: case report

Routine abdominal or vaginal ultrasound examinations before pregnancy are essential when a giant ovarian mass is detected in the first trimester. This helps prevent complications such as mass rupture, torsion, and adverse fetal outcomes. If surgical intervention is deemed necessary, the second trimester is generally the most appropriate time for evaluation. By this stage, the size and position of the uterus and placenta are stable, the placental function is sound, uterine sensitivity is lower, and the risk of miscarriage, premature birth, and other complications is reduced. For pregnant women with giant ovarian masses who exhibit signs of abortion in the second trimester and do not opt for surgical treatment, transumbilical laparoendoscopic single-site surgery can be considered the preferred method for addressing a mass rupture in the third trimester.