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Health Information For Parents
This quick test — also called cordocentesis, fetal blood sampling, or umbilical vein sampling — examines fetal blood directly from the umbilical cord. It’s used to detect disorders in the fetus.
PUBS isn’t done as commonly as other diagnostic tests (such as amniocentesis and chorionic villus sampling), but may be used if results from those tests are not conclusive.
Percutaneous umbilical blood sampling usually is done in addition to an ultrasound and amniocentesis if a health care provider:
The advantage to PUBS is its speed. If the fetus might be anemic or have a platelet disorder, this test is the only way to confirm it because it uses a blood sample rather than an amniotic fluid sample. It also allows transfusion of blood or needed fluids into the baby while the needle is in place.
Your health care provider may recommend this test if:
Risks are associated with PUBS, such as miscarriage or infection. Discuss the risks and benefits with your health care provider if you choose to have this test.
This test takes a fetal blood sample by guiding a needle into the umbilical cord. A fine needle is passed through the abdomen and uterus into the umbilical cord, then the blood is withdrawn for testing.
Percutaneous umbilical blood sampling usually is done after the 18th week of pregnancy.
PUBS results usually are ready within 3 days.
Find out what tests may be offered to you during the first trimester of pregnancy.
Find out what tests may be offered to you during weeks 13 through 26 of pregnancy.
Find out what tests may be offered to you during weeks 27 through 40 of pregnancy.
Every parent-to-be hopes for a healthy baby, but it can be hard not to worry. Find out what tests can keep you informed of your health â and your baby’s â throughout pregnancy.
A prenatal ultrasound is a safe and painless test that shows a baby’s shape and position. It can be done in the first, second, or third trimester of pregnancy.
Genetic counselors work with people who are either planning to have a baby or are pregnant to determine whether they carry the genes for certain inherited disorders. Find out more.
The multiple marker test is a blood test done to screen for neural tube defects and chromosomal disorders.
One of the most important things you can do to help prevent serious birth defects in your baby is to get enough folic acid every day – especially before conception and during early pregnancy.
The sooner in pregnancy good careÂ begins, the better for theÂ health of both moms and their babies. Here’s what to expect.
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
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