title: A case of placental fusion in a Sprague Dawley rat.
abstract: Placental fusion was observed in one of 62 Sprague Dawley rats examined on the 20th day of gestation. The associated fetuses were smaller than usual, but were not otherwise abnormal.
mesh_terms: D000818:Animals; D010064:Embryo Implantation; D005260:Female; D010920:Placenta / Q000473:pathology; D010922:Placenta Diseases / Q000473:pathology / Q000662:veterinary*; D011247:Pregnancy; D051381:Rats; D012376:Rodent Diseases / Q000473:pathology*