Juanita is having a normal pregnancy and the fetus is developing well.However,she has recently picked up an infection and bacteria have accumulated in her blood stream.We know that,most likely
A)many of these bacteria will be able to enter the fetus's circulation.
B)the bacteria will be eliminated by the white blood cells of the fetus.
C)the bacteria will be eliminated by the antimicrobicidal secretions of the amnion.
D)the placental wall will block the bacteria from entering the fetus.

Question

Quizplus · Accepted Answer

The placental wall is selectively permeable and its main function is to prevent harmful substances or organisms, such as bacteria, from passing from the maternal bloodstream to the fetal bloodstream. Therefore, in most cases, the placental wall will block the bacteria from entering the fetus, protecting it from infections.

Juanita Is Having a Normal Pregnancy and the Fetus Is