Luteinized cystic ovarian hyperplasia (LCOH) is a rare benign condition characterized by bilateral ovarian enlargement during pregnancy secondary to high maternal human chorionic gonadotropin serum levels referred to occur under several conditions.

Associations

 fetal malformative syndrome (#16175750#)
 diffuse chorangiomatosis (#16175750#)

References

 Saltzman M, Drut M, Drut R. Luteinized cystic ovarian hyperplasia associated with placentomegaly due to chorangiomatosis. Fetal Pediatr Pathol. 2005 Jan-Feb;24(1):31-7. PMID: #16175750#