At what point during pregnancy is a mother likely to contract rubella (German measles) that can cause her child to be born with severe mental retardation?

Question

Quizplus · Accepted Answer

Rubella infection during the first trimester (first three months) of pregnancy is the most critical time period for the fetus. If the mother contracts rubella during this time, there is a high risk of severe birth defects, including mental retardation.

At What Point During Pregnancy Is a Mother Likely to Contract