uses ultrasound measurement of fluid in the nape of the fetal neck between 10-14 weeks of gestation to identify possible fetal abnormalities. Show A fluid collection greater than 3 mm is considered abnormal. When combined with abnormal maternal serum marker levels, elevated NT indicates a possible increased risk for certain chromosomal abnormalities in the fetus, including trisomies 12, 18, and 21 (Down's) An elevated NT alone indicates an increased risk for congenital heart defects C. Geographic Biophysical is one of the broad categories used for determining risk. These include genetic considerations, nutritional status, and medical and obstetric disorders. Psychosocial risks include smoking, caffeine, drugs, alcohol, and psychologic status. All of these adverse lifestyles can have a negative effect on the health of the mother or fetus. This category is correctly referred to as sociodemographic risk, not geographic risk. These factors stem from the mother and her family. Ethnicity may be one of the risks to pregnancy; however, it is not the only factor in this category. Low income, lack of prenatal care, age, parity, and marital status also are included. Environmental risks are those that can affect both fertility and fetal development. These include infections, chemicals, radiation, pesticides, illicit drugs, and industrial pollutants. B: "MRI shows accurate fetal anatomic details." MRI takes 20 to 60 minutes, depending on the reason for study. Accurate anatomic details would not be obtained, because there is a possibility of fetal movement. The client should be completely still during the procedure, with short breaks, because physical movement would alter the effectiveness of the scan. MRI helps evaluate the fetal structure, overall growth, biochemical status, and the placenta. MRI is a noninvasive procedure. Unlike with a computed tomography (CT) scan, iodine dye would not be injected, and MRI does not use ionizing radiation. Recommended textbook solutions
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Who needs a contraction stress test?A contraction stress test is usually done if you have an abnormal non-stress test or biophysical profile. A biophysical profile uses ultrasound during a non-stress test to measure a series of physical traits of your baby. You may have more than one contraction stress test while you are pregnant.
What is the purpose of initiating contractions in a contraction stress test CST )?The contraction stress test helps predict how your baby will do during labor. The test triggers contractions and registers how your baby's heart reacts. A normal heartbeat is a good sign that your baby will be healthy during labor.
How does a nonNon-stress Test
The monitor has two sensors that are placed on your belly with two belts that go around your waist. One sensor detects any contractions you may be having, even those you might not feel. The other sensor tracks your baby's heart rate, which you can hear.
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What is an appropriate indicator for performing a contraction stress test? quizlet
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