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What does non-invasive prenatal testing (NIPT) screening check for?

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NIPT is a genetic test that can be done as early as after 10 weeks of pregnancy. It uses a blood sample to measure the relative amount of free fetal DNA in a mother's blood. It's thought that the test can detect 99% of all Down syndrome pregnancies. It also tests for some other chromosomal abnormalities.

SOURCES:
Gabbe: Obstetrics-Normal and Problem Pregnancies, 4th edition, 2002.
WebMD Medical Reference provided in collaboration with The Cleveland Clinic: "Pregnancy: Your Guide to Pregnancy."
WebMD Medical Reference from Healthwise: "Rh Sensitization During Pregnancy;" "Doppler Ultrasound;" and "Fetoscopy."

Reviewed by Traci C. Johnson on January 30, 2019

SOURCES:
Gabbe: Obstetrics-Normal and Problem Pregnancies, 4th edition, 2002.
WebMD Medical Reference provided in collaboration with The Cleveland Clinic: "Pregnancy: Your Guide to Pregnancy."
WebMD Medical Reference from Healthwise: "Rh Sensitization During Pregnancy;" "Doppler Ultrasound;" and "Fetoscopy."

Reviewed by Traci C. Johnson on January 30, 2019

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What do ultrasounds during pregnancy check for?

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