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Cedars-Sinai Team Delivers Baby From Rare Abdominal Pregnancy Hidden Behind 10‑Kilogram Ovarian Cyst

A routine pre-op test in a 41-year-old scheduled for cyst removal uncovered a near‑term fetus developing outside the uterus.

Overview

  • Imaging showed an empty uterus and a nearly full-term fetus growing in the abdominal cavity near the liver, behind a massive benign ovarian cyst weighing more than nine kilograms.
  • Suze Lopez, who had irregular periods and spent 17 years trying for a second child, had not recognized the pregnancy.
  • Roughly 30 specialists coordinated a complex operation that delivered her son, Ryu, at about 3.6 kilograms and removed the cyst.
  • Doctors reported significant maternal blood loss but said the team was prepared, and the newborn required brief ventilation before improving over the following days.
  • Clinicians described the case as an abdominal ectopic pregnancy, a rare and dangerous condition that carries high hemorrhage risk and seldom results in a live birth.