[Teratoma of the fetal sacrum as a delivery obstacle].
D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007744:Obstetric Labor Complications; D011247:Pregnancy; D012445:Sacrococcygeal Region; D013724:Teratoma / Q000150:complications*
Potworniak pośladka płodu jako przeszkoda porodowa.