published in Genetics in medicine : official journal of the American College of Medical Genetics Journal
has subject area Adult Amniocentesis Aneuploidy Chorionic Villi Sampling Chromosome Disorders Chromosomes, Human, Pair 13 Chromosomes, Human, Pair 18 Down Syndrome Female Genetic Testing Humans Maternal Age Pregnancy Pregnancy Trimester, First Prenatal Diagnosis Retrospective Studies Trisomy Trisomy 13 Syndrome
