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The Ultimate Guide to Fetal Health Examination Nonstress Test (NST) During Pregnancy

What is a fetal health check Nonstress Test (NST)?

Fetal health examination Nonstress Test (NST) It is a health screening test for the fetus. It measures the heart rate while the baby is moving. To assess whether the baby is getting enough oxygen It’s a safe way. Does not cause pain Does not cause stress to mother and child

In cases where the fetal heart rate does not increase while the baby moves or the baby does not move Your doctor may require additional tests to check whether your baby is getting enough oxygen.

Why is it necessary to perform a fetal health examination Nonstress Test during pregnancy?

The nonstress test is usually performed in the following cases:

  • Gestational age beyond the due date or more than 40 weeks as this may lead to complications.
  • Pregnancy is high risk. due to diabetes high blood pressure It is necessary to closely monitor the condition of the mother and fetus.
  • Pregnant with twins
  • The mother has Rh-negative blood type, but the fetus has Rh-positive blood type, which can lead to serious complications. This is because the mother’s body will create antibodies to destroy the fetus’ red blood cells.
  • The baby moves less in the womb.
  • The fetus weighs less than the norm.
  • The mother has a history of fetal death.

When will the doctor perform a fetal health examination (Nonstress Test)?

Doctors usually perform a nonstress test after 28 weeks of pregnancy because the baby’s heart rate will begin to respond when the baby moves.

Inspection processSuWhat is the health of the fetus (Nonstress Test) like??

Before receiving the examination Urine should be completely discarded first. Then he lay on the examination bed. The doctor will place two elastic bands around the womb to monitor uterine contractions and the baby’s heart rate. If the baby does not respond during the examination This may be caused by the baby sleeping. The doctor will use a sound machine to wake the baby up. or having the mother eat sweets or sweet drinks The examination will take approximately 30 minutes. The doctor will analyze the information and explain it to the person being examined.

What are the results of the fetal health examination (Nonstress Test)?

The results of the nonstress test of the fetal health examination may be reactive or nonreactive.

  • reactive effect: The fetal heart rate increases. Respond to the baby’s movements or at least 2 uterine contractions within 20 minutes.
  • nonreactive effect: The baby’s heart rate does not increase when the baby is struggling or the baby is not moving. This may be caused by not getting enough oxygen or because the baby is sleeping soundly. Certain medications may also cause test results to be nonreactive.

The doctor may perform additional tests as follows:

  • Evaluation of fetal health It is a nonstress test with ultrasound.
  • Checking the health of the fetus while the uterus is contracting To evaluate the baby’s response while the uterus contracts from the drug administration. To simulate uterine contractions during childbirth.
    If the results detect a risk of complications The doctor will closely monitor the health of the fetus. Or recommend giving birth if the pregnancy is appropriate.

Frequently asked questions

  • What must I do? If the fetus does not move while undergoing a fetal health check, Nonstress Test?
    If the fetus does not respond The doctor will use a device to sound the alarm. Or give the mother a sweet drink or snack to wake the fetus and encourage the baby to move.
  • If the fetal health check-up nonstress test fails, what should you do?
    A nonreactive result does not always mean the baby has a problem. However, additional tests may be needed to determine the cause of the nonreactive effects.
  • Can a fetal health check, nonstress test, tell the gender of the baby?
    examinationCheck the health of the fetus The nonstress test cannot tell the gender of the baby.
  • Is a nonstress test for fetal health examination the same as a stress test?
    • Fetal health examination using nonstress test It is not an exercise stress test. A nonstress test is an evaluation of the fetal heart rate to see changes in the heart rate as the baby moves or the uterus contracts. During the examination, the mother will lie in a comfortable position during the examination.
    • Stress test It assesses your heart rate, blood pressure, and oxygen levels while exercising, such as walking on a treadmill or riding a stationary bike. By attaching the detector to the chest. The test helps your doctor diagnose your heart’s response to exercise.

Advice from doctors at Medpark Hospital

The nonstress test assesses the health of the fetus. That gives an idea of ​​the baby’s heart rate while the baby is moving. Results may be reactive or nonreactive. If you have any questions or concerns during or after the test, You can ask the doctor immediately.

Article by

Published: 10 Jan 2024

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  • 2024-01-10 02:51:17

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