title: Letter: Possible mosaic XXX-XXY marriage with abnormal offspring.
mesh_terms: D002648:Child; D004314:Down Syndrome / Q000150:complications / Q000235:genetics*; D005260:Female; D006330:Heart Defects, Congenital / Q000150:complications; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007621:Karyotyping; D008297:Male; D008393:Marriage; D009030:Mosaicism; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012729:Sex Chromosome Aberrations / Q000175:diagnosis / Q000235:genetics*