title: Prenatal study of X-linked aqueductal stenosis.
mesh_terms: D005260:Female; D008040:Genetic Linkage; D006801:Humans; D006849:Hydrocephalus / Q000175:diagnosis* / Q000235:genetics; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014465:Ultrasonics; D014960:X Chromosome