HealthWise KnowledgeBase
Contraction Stress Test
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 Reference cesarean section Opens New Window with a midline (vertical) incision, Reference placenta previa Opens New Window, or Reference placenta abruptio Opens New Window. The test also is not recommended if you are pregnant with more than one baby, are likely to have Reference premature rupture of the membranes (PROM) Opens New Window, have an Reference incompetent cervix Opens New Window, or have been given magnesium sulfate during 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.
| By: | Reference Healthwise Staff | Last Revised: Reference June 18, 2012 |
| Medical Review: | Reference Sarah Marshall, MD - Family Medicine
Reference William Gilbert, MD - Maternal and Fetal Medicine |
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