A very early monozygotoic abnormal twin pregnancy.
D000028:Abortion, Induced; D000328:Adult; D000818:Animals; D002454:Cell Differentiation; D000013:Congenital Abnormalities / Q000473:pathology; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007044:Hysterectomy; D008853:Microscopy; D011247:Pregnancy; D011248:Pregnancy Complications; D012756:Sheep; D014427:Twins