Foetal bleeding in the first and second trimester uterine haemorrhage.
D000022:Abortion, Spontaneous; D004912:Erythrocytes; D005260:Female; D005312:Fetal Blood / Q000032:analysis*; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011379:Prognosis; D014592:Uterine Hemorrhage / Q000175:diagnosis*