Contraction stress test
Contraction stress test
A contraction stress test (CST) measures the fetus's ability to tolerate the stress of uterine contractions started (induced) before true labor begins.
Electronic fetal heart monitoring is done during a contraction stress test to evaluate the fetus's heart rate during contractions. The fetus's heart rate during contractions helps evaluate the placenta's ability to provide enough oxygen to the fetus.
A contraction stress test that indicates the placenta is not supplying enough oxygen to the fetus will help the doctor determine the safest method of delivery.
A contraction stress test is also called an oxytocin challenge test.
Credits
| Author | Sandy Jocoy, RN |
| Editor | Kathleen M. Ariss, MS |
| Associate Editor | Tracy Landauer |
| Associate Editor | Pat Truman, MATC |
| Primary Medical Reviewer | Sarah Marshall, MD - Family Medicine |
| Specialist Medical Reviewer | Kirtly Jones, MD - Obstetrics and Gynecology |
| Last Updated | June 28, 2008 |
| Last updated: | June 28, 2008 |
|---|---|
| Author: | Sandy Jocoy, RN |
| Reviewed By: | Sarah Marshall, MD - Family Medicine, Kirtly Jones, MD - Obstetrics and Gynecology |
| Editors: | Kathleen M. Ariss, MS, Pat Truman, MATC |
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