Non Stress Test
This test is performed for the well being of fetus in utero
It is a simple non invasive and painless investigation in which baby’s heartbeat is continuously monitored electronically for 20 minutes and graph is evaluated.
It utilities observation that, the occurrence of acceleration, of the fetal heart rate in response to fetal movement or uterine contraction is a reliable indicator of immediate fetal well being.
Indications
- Patients at risk of uteroplacental insufficiency
- The absence of normal fetal movements
Timing of Testing
It is instituted at 32 to 34 weeks of gestation’s, in rare cases at 26 to 28 week of gestation’s
Frequency
weekly
high risk patients -twice weekly