First trimester screening combines fetal ultrasound and blood tests for the mother. It’s done during the first trimester of pregnancy, during weeks 1 to 12 or 13. It can help find out the risk of the fetus having certain birth defects.
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Screening is usually performed by taking a sample of the mother's blood between the 15th and 20th weeks of pregnancy (16th to 18th is ideal).
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Alpha-fetoprotein screening is a blood test that measures the level of AFP in the mother's blood. Abnormal levels may indicate certain problems with the fetus.
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Fetal ultrasound is a test used during pregnancy to create an image of the baby in the mother's womb (uterus).
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This prenatal test involves taking a sample of tissue from the placenta to test for chromosomal abnormalities and certain other genetic problems.
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Amniocentesis is a procedure used to take out a small sample of the amniotic fluid for testing.
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Fetal blood sampling is a procedure to take a small amount of blood from an unborn baby (fetus) during pregnancy. Fetal blood sampling is usually done by a perinatologist with special training. This is a healthcare provider who specializes in the care of babies in high-risk pregnancies.
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Fetal heart rate monitoring measures the heart rate and rhythm of your baby (fetus). This lets your healthcare provider see how your baby is doing.
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