TABLE II.
Primary Indications for Genetic Testing in Triple X Syndrome
| Prenatal diagnosis, n = 44 (%) | Postnatal diagnosis, n = 30 (%) | |
|---|---|---|
| Prenatal | ||
| Advanced maternal age | 38 (86.4) | |
| Abnormal AFPa screen | 3 (6.8) | |
| Abnormal ultrasound | 3 (6.8) | |
| Postnatal | ||
| Dysmorphic features | 1 (3.3) | |
| Hypotonia | 1 (3.3) | |
| Developmental delay | 19 (63.3) | |
| Learning disability | 4 (13. 3) | |
| Behavioral difficulties | 2 (6.7) | |
| Otherb | 3 (10. 0) | |
a
AFP refers to alpha feto protein.
b
Other included: failure to thrive, short stature, and a history of neuropathy and developmental delays.