With Regard to Amniocentesis,what Should the Nurse Be Aware Of

With regard to amniocentesis,what should the nurse be aware of?

A) Because of new imaging techniques, it is now possible in the first trimester.
B) Despite the use of ultrasonography, complications still occur in the mother or infant in 5% to 10% of cases.
C) The shake test, or bubble stability test, is a quick means of determining fetal maturity.
D) The presence of meconium in the amniotic fluid is always a cause for concern.