a 22-year-old patient with 9 months of amenorrhea and a huge abdominal swelling was admitted to our institution with an ultrasonography report of a multiloculated cystic space-occupying lesion, almost taking up the whole abdomen (probably of ovarian origin), along with a single live intrauterine fetus. she delivered vaginally a boy baby within 4 hours of admission without any maternal complicat...