At 35 weeks of pregnancy,a woman experiences preterm labour.Although tocolytics are administered and she is placed on bedrest,she continues to experience regular uterine contractions,and her cervix is beginning to dilate and efface.What would be an important test for fetal well-being at this time?

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Amniocentesis would be performed to assess fetal lung maturity in the event of a preterm birth.Indications for PUBS include prenatal diagnosis or inherited blood disorders,karyotyping of malformed fetuses,detection of fetal infection,determination of the acid-base status of the fetus with intrauterine growth restriction,and assessment and treatment of isoimmunization and thrombocytopenia in the fetus.Typically,fetal size is determined by ultrasound during the second trimester and is not indicated in this scenario.A nonstress test measures the fetal response to fetal movement in a noncontracting mother.

At 35 Weeks of Pregnancy,a Woman Experiences Preterm Labour