Uterine bleeding in the second trimester caused by abnormal placental development.
D005260:Female; D006470:Hemorrhage; D006801:Humans; D010920:Placenta; D010929:Placentation; D011247:Pregnancy; D011248:Pregnancy Complications; D011262:Pregnancy Trimester, Second; D014592:Uterine Hemorrhage
HEMORRHAGE/in pregnancy; PLACENTA; PREGNANCY/complications