Chorionic Villus Sampling (CVS)
Quick answer
An older invasive prenatal DNA sampling method performed 10–13 weeks.
CVS samples placental tissue via a needle or catheter, usually between weeks 10 and 13. It carries a ~0.5–1% miscarriage risk and is rarely used for paternity today.
Related terms
Browse the glossary
- AABB Accreditation
- STR Marker
- 34-Marker Paternity Test
- Combined Paternity Index (CPI)
- Probability of Paternity
- Chain of Custody
- Buccal Swab
- Cheek Swab
- Non-Invasive Prenatal Paternity (NIPP)
- Cell-Free Fetal DNA (cffDNA)
- Amniocentesis
- Chorionic Villus Sampling (CVS)
- USCIS Genetic Testing
- Form I-130
- Legal Paternity Test
- Home Paternity Test
- How It Works
- CLIA Certification
- ISO/IEC 17025
- College of American Pathologists (CAP)
Ready for a clear answer?
AABB-accredited lab. All fees included. Results in 1–2 business days.