Percutaneous umbilical blood sampling

From WikiMD's Wellness Encyclopedia

Percutaneous umbilical blood sampling
Other namesCordocentesis, PUBS
Specialty{{#statements:P1995}}


Percutaneous umbilical blood sampling (PUBS), also known as cordocentesis, is a diagnostic medical procedure used in prenatal diagnosis to obtain a small sample of the fetal blood from the umbilical cord. This procedure is typically performed to detect fetal abnormalities, manage intrauterine infections, or assess and treat fetal anemias.

Indications[edit | edit source]

Percutaneous umbilical blood sampling is indicated in various scenarios including:

Procedure[edit | edit source]

During the procedure, a skilled practitioner uses ultrasound guidance to locate the umbilical cord and then inserts a thin needle through the mother's abdominal wall and uterus into the umbilical vein. The blood sample obtained is then analyzed for various conditions or abnormalities.

Risks[edit | edit source]

Percutaneous umbilical blood sampling carries risks such as:

Alternatives[edit | edit source]

Alternative procedures to PUBS include:

See also[edit | edit source]


Contributors: Prab R. Tumpati, MD