Table 2 Indications for invasive prenatal diagnosis in 33 pregnancies with ROH ≥ 10 Mb
From: Chromosomal microarray analysis for prenatal diagnosis of uniparental disomy: a retrospective study
Indications | Patients with ROH |
|---|---|
Ultrasound abnormalities | 16 |
High risk of serum screening | 8 |
Pervious adverse pregnancies | 7 |
Advanced maternal age | 5 |
Abnormal NIPT results | 5 |
COVID-19 vaccination during early pregnancy | 2 |
Thalassemia in both parents | 2 |
Parental genetic factors | 1 |
Abnormal karyotypes of parents | 1 |
Pregnancy radiation exposure history | 1 |