
Nonstress Test (NST): Purpose, Procedure & Results
What is a nonstress test (NST)? A nonstress test (NST or fetal nonstress test) is a pregnancy screening that measures fetal heart rate and reaction to movement. Your pregnancy care provider performs a …
Contraction stress test: How and why it's done - BabyCenter
Jul 5, 2023 · The contraction stress test (CST) – also called a stress test or an oxytocin challenge test – is done during pregnancy to measure a baby's heart rate during uterine contractions.
Nonstress test and contraction stress test - UpToDate
Aug 26, 2025 · The primary goal of antepartum fetal surveillance (antepartum testing) with the nonstress test (NST) and the contraction stress test (CST) is to identify fetuses at risk of hypoxic injury or death …
Contraction Stress Test (CST): Purpose, Procedure, Results - WebMD
Apr 17, 2025 · The contraction stress test helps predict how your baby will do during labor. The test triggers contractions and registers how your baby's heart reacts.
A contraction stress test (CST) measures the effect of contractions (stress) on the baby’s heart rate. You do not need to do anything special to prepare for this test.
Special Tests for Monitoring Fetal Well-Being - ACOG
The contraction stress test helps your health care professional see how the fetal heart rate reacts when the uterus contracts. The contraction stress test sometimes is used if other test results are positive or …
What Is a Fetal Stress Test and Why Is It Performed?
A fetal stress test is recommended when concerns arise about a baby’s health or oxygen supply during pregnancy. It is often performed as a follow-up if a nonstress test (NST) or a biophysical profile …
Prenatal Test: Contraction Stress Test | Nemours KidsHealth
A contraction stress test measures the fetal heart rate after the mother's uterus is stimulated to contract. This test is done to make sure the fetus can handle contractions during labor and get the oxygen …
Understanding the Pregnancy Stress Test: What to Expect
May 29, 2025 · In this article, we'll walk you through what to expect during a pregnancy stress test, its purpose, and how it's performed. What is a Pregnancy Stress Test? How is a Pregnancy Stress Test …
How Is A Stress Test Performed During Pregnancy?
Oct 6, 2025 · The contraction stress test (CST), also known as a stress test or oxytocin challenge test, is a prenatal test performed during the third trimester to evaluate fetal well-being. It measures a baby’s …