Prenatal Test: Contraction Stress Testenparents contraction stress test measures the fetal heart rate to ensure that a baby can handle contractions during labor.contraction stress test, stress test, prenatal stress test, prenatal tests, screen, screening, exam, fetus, embryo, baby, urine tests, blood test, ultrasound, labor, delivery, oxytocin challenge test, pitocin02/06/201808/08/201809/02/2019Armando Fuentes, MD08/02/201883527274-646e-41c6-bd32-1ae2eec7a468<h3>What Is a Contraction Stress Test?</h3> <p>A contraction stress test measures the fetal heart rate after the uterus is stimulated to contract. This is done to make sure that during labor the fetus can handle contractions and get the oxygen needed from the placenta.</p> <h3>Why Are Contraction Stress Tests Done?</h3> <p>This test may be recommended when a <a href="">nonstress test</a> or biophysical profile (BPP, an <a href="">ultrasound</a> done with a nonstress test) indicates a problem. It can determine whether the baby's heart rate remains stable during contractions.</p> <h3>Should I Have a Contraction Stress Test?</h3> <p>Your doctor may schedule a contraction stress test if concerned about how your baby will respond to contractions or to determine the fetal heart rate response to stimulation. However, the test can induce labor.</p> <h3>What Happens During a Contraction Stress Test?</h3> <p>In this test, the uterus is stimulated with pitocin, a synthetic form of oxytocin (a hormone secreted during childbirth). This is done with injections of pitocin or by squeezing the mother's nipples (causing oxytocin to be secreted). The pitocin brings on mild contractions, letting doctors see the effect of contractions while monitoring the baby's heart rate.</p> <h3>When Are Contraction Stress Tests Done?</h3> <p>A contraction stress test can be done at 34 weeks or later.</p> <h3>When Are the Results Available?</h3> <p>Results of a contraction stress test are ready immediately.</p>Examen prenatal: Prueba de contracciones con estrésUna prueba de contracciones con estrés mide el ritmo cardíaco del feto después de estimular al útero para que tenga una contracción. Esto se hace para asegurarse de que durante el trabajo de parto el feto pueda resistir las contracciones y reciba el oxígeno necesario de la placenta.
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