Contraction Stress Test: What Affects The Test
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What Affects the Test
Reasons you may not be able to have the test or why the results may not be helpful include:
- Past pregnancy problems, such as a cesarean section with a midline (vertical) incision, placenta previa, or placenta abruptio. The test also is not recommended if you are pregnant with more than one baby, are likely to have a premature rupture of the amniotic sac (membranes), have an incompetent cervix, or have been given magnesium sulfate in your pregnancy.
- A uterine surgery in the past. Strong contractions may cause the uterus to rupture.
- If you smoke or use cocaine.
- Movements of your baby during the test. It may be hard for the sensors to record your baby's heart rate or contractions.
- Being very overweight.
- Having a full bladder.
| Last updated: | February 22, 2008 |
|---|---|
| Author: | Maria G. Essig, MS, ELS |
| Reviewed By: | Kathleen Romito, MD - Family Medicine, Liisa Honey, MD, FRCSC - Obstetrics and Gynecology |
| Editors: | Susan Van Houten, RN, BSN, MBA, Tracy Landauer |
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