Chromosome abnormality and perinatal death.
D000328:Adult; D002869:Chromosome Aberrations / Q000453:epidemiology*; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18; D046508:Culture Techniques; D005260:Female; D005313:Fetal Death / Q000453:epidemiology* / Q000235:genetics; D005817:Genetic Counseling; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000235:genetics / Q000401:mortality*; D007621:Karyotyping; D008131:London; D008423:Maternal Age; D011247:Pregnancy; D012621:Seasons; D012744:Sex Ratio; D014314:Trisomy