4q: contraction stress test is used primarily to know
a. uterine contractions
c. uteroplacental circulation
d. maternal circulation
answer: b . fetus .
A contraction stress test (CST) is performed near the end of pregnancy to determine how well the fetus will cope with the contractions of childbirth. The aim is to induce the contractions and monitor the baby to check for heart rate abnormalities. It involves the release of oxytocin into the blood stream of the pregnant woman by the stimulation of the nipples. The target is to achieve around three contractions every ten minutes.