Concerning amniocentesis, nurses should be aware that:
1. because of new imaging techniques, it is now possible in the first trimester.
2. despite the use of ultrasonography, complications still occur in the mother or in-fant in 5% to 10% of cases.
3. the shake test or bubble stability test is a quick means of determining fetal matur-ity.
4. the presence of meconium in the amniotic fluid is always cause for concern.
3
1. Incorrect. Amniocentesis is possible after the 14th week of pregnancy, when the uterus becomes an abdominal organ.
2. Incorrect. Complications occur in less than 1% of the cases; many have been minimalized or eliminated by using ultrasonography.
3. Correct. Diluted fluid is mixed with ethanol and shaken. After 15 minutes, the bubbles tell the story.
4. Incorrect. Meconium in the amniotic fluid before the beginning of labor is not usually a problem.
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