Louisa is pregnant with her first child.By which week of prenatal development have all of her offspring's major organ systems likely to have formed?

Question

Quizplus · Accepted Answer

By week twelve of prenatal development, all of the major organ systems of the embryo are likely to have formed. At this point, the embryo is considered a fetus and continues to grow and develop over the remaining weeks of pregnancy.

Louisa Is Pregnant with Her First Child