Valerie is pregnant and now at the stage of her pregnancy where her unborn baby is at its most vulnerable period of prenatal development to teratogens. At what stage of her pregnancy is Valerie?

Question

Quizplus · Accepted Answer

3-9 weeks is the period of embryonic development when the organs and body systems are forming and are most vulnerable to teratogens. The third trimester is too late for teratogens to have a significant impact, and the first month or second trimester do not contain the critical period of organ formation.

Valerie Is Pregnant and Now at the Stage of Her