Question

Which fetal development occurs during the second trimester? 1)Bones begin to harden. 2)The roof of the mouth forms. 3)The eyes can sense changes in light. 4)The heart and circulatory system begin to develop.

Answer 1

The bones begin to finally develop and harden

Answer 2

During the second trimester of pregnancy you can expect your baby’s or babies bones to begin to harden.