A 39-year-old primigravida thinks that she is about 8 weeks pregnant, although she has had irregular menstrual periods all her life
She has a history of smoking approximately one pack of cigarettes a day, but she tells you that she is trying to cut down. Her labora-tory data are within normal limits. What diagnostic technique could be used with this pregnant woman at this time? a. Ultrasound examination
b. Maternal serum alpha-fetoprotein screening (MSAFP)
c. Amniocentesis
d. Nonstress test (NST)
A
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A An ultrasound examination could be done to confirm the pregnancy and deter-mine the gestational age of the fetus.
B It is too early in the pregnancy to perform this test. The MSAFP is performed at 16 to 18 weeks of gestation, followed by amniocentesis if the MSAFP levels are abnormal or if fetal/maternal anomalies are detected.
C It is too early in the pregnancy to perform this test. The MSAFP is performed at 16 to 18 weeks of gestation, followed by amniocentesis if the MSAFP levels are abnormal or if fetal/maternal anomalies are detected.
D It is too early in the pregnancy to perform this test. An NST is performed to as-sess fetal well-being in the third trimester.
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