Types of Genetic Screening
There are several types of genetic screening, each serving different medical purposes.
Comparison of Genetic Screening Types
| Type |
Purpose |
Example Conditions |
| Newborn Screening |
Early detection in infants |
PKU, cystic fibrosis |
| Carrier Testing |
Family planning |
Sickle cell anemia |
| Prenatal Testing pregnancy |
Detect genetic risks during |
Down syndrome |
Quick Facts
- Newborn Screening: Done within 24–48 hours of birth using a heel-prick blood sample.
- Carrier Testing: Helps future parents assess genetic risk for inherited conditions.
- Prenatal Testing: Non-invasive (NIPT) or invasive (amniocentesis, CVS) methods check fetal health.
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