Which of the following is TRUE about Rh incompatibility?
A) It is found in white blood cells.
B) It can only occur when both the mother and fetus are Rh-positive.
C) It occurs in about 20% of all pregnancies.
D) It cannot occur in a first pregnancy.

Question

Quizplus · Accepted Answer

Rh incompatibility typically does not cause problems in a first pregnancy because the mother's immune system has not yet been sensitized to Rh-positive blood. Problems usually arise in subsequent pregnancies if the mother is Rh-negative and the fetus is Rh-positive.

Which of the Following Is TRUE About Rh Incompatibility