Answer:
B.embryonic is the correct answer
Explanation:
Prenatal development is the period between conceiving and childbirth.
Stages of prenatal development
Germinal stage: The two weeks after the conception is termed as a germinal stage.
Conception happens when a sperm cell and egg cell combine to form the zygote.
Embryonic development: is the stage after the implantation, during this period embryo starts to split into three layers, which will develop into major organs.
Fetal stage: starts during the ninth week till birth.During this stage sex organs of the fetus start to develop.
The fetus grows very fast as the bones and muscles develop.
