A woman who is 8 months pregnant asks the nurse, "Does my baby have any antibodies to fight infection?" The most appropriate response by the nurse is:
a. "Your baby has all the immune globulins necessary: IgG, IgM, and IgA."
b. "Your baby won't receive any antibodies until he is born and you breastfeed him."
c. "Your baby does not have any antibodies to fight infection."
d. "Your baby has IgG and IgM."
ANS: D
During the third trimester, the only immune globulins that crosses the placenta, IgG, provides passive acquired immunity to specific bacterial toxins. The fetus produces IgM by the end of the first trimester. IgA is not produced by the baby. By the third trimester, the fetus has IgG and IgM. Breastfeeding supplies the baby with IgA. "Your baby does not have any antibodies to fight infection" is an inaccurate statement.
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