Which one of the following stages is the longest stage of pregnancy and is marked by growth in size and change in body proportions? a. embryonic stage b. blastogenic stage c. fetal stage d. the first trimester

The fetal stage  is the longest stage of pregnancy and is marked by growth in size and change in body proportions. The fetal stage of prenatal development begins on the last day of the eighth week after fertilization and continues until birth. It is characterized with rapid growth (increase in size and cell number) and  continued tissue and organ differentiation (specialization of cells to perform distinct functions).  Correct C