“…5 The exact etiology of these cysts is not known, but their pathogenesis is likely endocrinological in origin. As reviewed by Akın et al, 1 there is an increased incidence of fetal ovarian cysts among pregnancies complicated by diabetes, preeclampsia, and Rhesus factor incompatibility, attributed to the increased levels of placental chorionic gonadotropin levels that accompany these conditions. Furthermore, fetal hypothyroidism, congenital adrenal hyperplasia, and ovarian hyperstimulation observed in premature infants have been implicated in ovarian cyst formation.…”