The collecting of foetal blood samples via ultrasound-guided needle aspiration of the blood in the umbilical vein. ... (12 Dec 1998) ... 
(kor″do-sen-te´sis) percutaneous umbilical blood sampling.
Type: Term Pronunciation: kōr′dō-sen-tē′sis Definitions: 1. Transabdominal blood sampling of the fetal umbilical cord, performed under ultrasound guidance. Synonyms: funipuncture
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 ....
a procedure to sample some of the umbilical cord blood during pregnancy.