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What is fetal blood sampling?

Dr. Jeanne Morrison, PhD
Family Practitioner

Fetal blood sampling, also known as PUBS (percutaneous umbilical blood sampling), is the collection of a small amount of blood from the fetus during pregnancy. Fetal blood sampling is performed by maternal-fetal medicine specialists to diagnose, treat, and monitor various fetal problems.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.