Bilateral fetal ovarian autoamputation.

A 27-year-old woman underwent antenatal ultrasonography at 32 weeks of gestation, and the fetus was noted to have two cystic lesions within the pelvis, suggesting bilateral ovarian cysts. The right-sided lesion measured 2.1 cm and the left 3.0 cm in diameter. They were anechoic with well-defined margin and one septation within the left-sided lesion, which was assumed to have a high likelihood of already having torted.1 Reassessment of the mass at 33 weeks’ gestation noted that size of the right-sided lesion increased to 4 cm, while the …