Percutaneous Umbilical Blood Sampling. In PUBS, a needle is inserted through the mother's abdominal wall and the uterine wall and usually blood is withdrawn from the umbilical vein where the umbilical cord inserts into the placenta. Blood may also be withdrawn from the umbilical vein on its way to the foetal liver such as in situations where the fo
Found on http://www.mondofacto.com/facts/dictionary?PUBS
A prenatal test that screens blood from the umbilical cord for abnormalities while the fetus is in the uterus. The test is generally done between week 18 and 36 of a pregnancy. This test gathers fetal blood by guiding a needle into the umbilical vein. It is primarily used in addition to an ultrasound and amniocentesis if your health care provider .
Found on http://www.pregnology.com/AZ/P/11
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