The cloverleaf skull.
D000328:Adult; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000151:congenital* / Q000175:diagnosis; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012886:Skull / Q000002:abnormalities*; D013577:Syndrome; D014463:Ultrasonography