Cord blood refers to a sample of blood collected from the umbilical cord when a baby is born. The umbilical cord is the cord connecting the. Cordocentesis — also known as percutaneous umbilical blood sampling (PUBS) — is a diagnostic prenatal test in which a sample of the baby's blood is removed from the umbilical cord for testing. Cordocentesis is usually done after week 18 of pregnancy. CORD AND MATERNAL BLOOD SAMPLING. CLINICAL GUIDELINES. Register No: Status: Public. Consulted With. Post/Committee/Group. Date.


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Umbilical Cord Blood Sampling | UCLA Obstetrics and Gynecology (OB/GYN) - Los Angeles, CA

There is a charge for the service. Cord blood cord blood sampling also be donated to your local blood bank for use by others as needed for cancer treatment. References American College of Obstetricians and Gynecologists. ACOG committee opinion no.

Regular cord blood analysis post partum is regarded by cord blood sampling as one of the most accurate and objective methods of auditing intrapartum care.

Umbilical cord blood sampling--a tool for delivery quality control?

Emergency cesarean sections cord blood sampling ventouse deliveries, due to the threat of asphyxia, are examples where post partum acid base data from the umbilical artery ought to be a must.

Blood may be taken from the following sources: The fetus either receives blood or has unhealthy blood exchanged for healthy blood to treat some cord blood sampling.


During the first 18 weeks of pregnancy, the umbilical vein from which the blood sample is taken is not very stable, which could lead to cord blood sampling bleeding; [2] therefore, PUBS is contraindicated in any fetus under the age of 18 weeks old. While blood gas levels and pH values are able to give parents and cord blood sampling professionals a snapshot of fetal status, these fetuses can be monitored with less invasive procedures and equipment, such as ultrasounds, cardiotocographyor maternal blood tests.

However, the necessity of the procedure should be considered along with this risk.


PUBS should not be performed in mothers testing positive for the human immunodeficiency virus HIV due to increased risk of fetal contraction. Fetuses with a single umbilical cord blood sampling edit ] Single umbilical artery.

Fetal developmental abnormalities along with the concern of an abnormal karyotype indicate PUBS; however, fetuses with a single umbilical artery may present a higher risk.

In these cases, a single umbilical artery is required to perform the work of two arteries so it is often dilated up to one and a half times its size in order to meet these demands. A sample of your blood will be taken before the procedure for comparison with the fetal blood samples.

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During the procedure About 30 to 60 minutes before the procedure, you might be given antibiotics to reduce the risk of a uterine infection. This is usually done through an intravenous catheter. When the procedure begins, your health care provider will use cord blood sampling to determine the baby's exact location in your uterus.

You'll lie on your back on an exam table, and your health care provider will apply a special gel to your abdomen. He or she will then use a small device known as an ultrasound transducer cord blood sampling show your baby's position on a monitor.

Next, cord blood sampling health care provider will clean your abdomen with an antiseptic. Sometimes local anesthetic is used to ease discomfort during the procedure, but often it isn't needed.

Guided by ultrasound, your health care provider will insert a thin, hollow needle through your abdominal wall and into your uterus. A small amount cord blood sampling blood from the vein in the umbilical cord will be withdrawn into a syringe, and the needle will be removed.

You'll need to lie still while the needle is inserted and the blood is withdrawn.