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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

  1. NIPT: non-invasive prenatal testing
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Molecular Cytogenetics

ISSN: 1755-8166