title: Spontaneous regression of large theca lutein cysts in a twin pregnancy. A case report.
abstract: A case of bilateral theca lutein cysts in a twin pregnancy is presented. Under ultrasound surveillance the cysts were seen to undergo spontaneous regression which was not matched by a falling human chorionic gonadotrophin titre.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D010048:Ovarian Cysts; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis; D011272:Pregnancy, Multiple; D012075:Remission, Spontaneous; D013799:Theca Cells; D014427:Twins