title: Prenatal diagnosis of trisomy 18: case report on homologous artificial insemination.
mesh_terms: D002902:Chromosomes, Human, 16-18; D005260:Female; D006801:Humans; D007315:Insemination, Artificial; D007317:Insemination, Artificial, Homologous; D008297:Male; D009845:Oligospermia / Q000150:complications; D011247:Pregnancy; D011296:Prenatal Diagnosis; D013081:Sperm Motility; D014314:Trisomy