From their first consultation with medical professionals, John and Jill Hart received conflicting opinions on what they ...

Background: Trisomy 18 is the second most common autosomal trisomy in liveborn infants, characterised by severe psychomotor and growth retardation. The median survival is 19 days, with only 5-8% ...

Patau syndrome occurs in 1 out of every 16,000 live births, with infants usually dying within the first days or weeks of life. Trisomy 18, sometimes called Edwards syndrome, is caused by an extra ...

Down syndrome, or trisomy 21 ... and health problems. Trisomy 13 and 18.Trisomy 13 and trisomy 18 happen when babies have an extra copy of either chromosome 13 or chromosome 18, respectively.