Prenatal screening for trisomy 18. Most die before or just after birth.
Macintosh
M C
MC
Chard
T
T
D002887:Chromosomes, Human, Pair 18; D005260:Female; D006801:Humans; D015994:Incidence; D007621:Karyotyping; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014314:Trisomy / Q000175:diagnosis*