Detection of Trisomy 13 will occur via the triple screen only ... [17] In a recent study of women over 35 years of age, ultrasound screening influenced the maternal decision to have an ...
Other sonographically detectable aneuploidies include trisomy 13, 18, monosomy X, and triploidy. Second-trimester ultrasound scan detects 2 types of sonographic markers suggestive of aneuploidy.