title: Cytogenetical problems in prenatal diagnosis.
mesh_terms: D002869:Chromosome Aberrations / Q000175:diagnosis*; D025063:Chromosome Disorders; D003582:Cytogenetics; D005260:Female; D005817:Genetic Counseling; D006801:Humans; D008297:Male; D009030:Mosaicism; D009154:Mutation; D011247:Pregnancy; D011296:Prenatal Diagnosis