Human chorionic gonadotropin (hCG) is an important biochemical marker for pregnancy and the basis for many tests. A maternity nurse should be aware that:
a. hCG can be detected 2.5 weeks after conception.
b. The hCG level increases gradually and uniformly throughout pregnancy.
c. Much lower than normal increases in the level of hCG may indicate a postdate pregnancy.
d. A higher than normal level of hCG may indicate an ectopic pregnancy or Down syndrome.
ANS: D
Higher levels also could be a sign of multiple gestation. hCG can be detected 7 to 8 days after conception. The hCG level fluctuates during pregnancy: peaking, declining, stabilizing, and increasing again. Abnormally slow increases may indicate impending miscarriage.
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