Question

question 19 of 25
when does the placenta begin to form?
a. in the second trimester
b. a few days after fertilization
c. at the end of the third trimester
d. at the end of the first trimester

Explanation:

The placenta begins to form a few days after fertilization. It is an important organ that develops during pregnancy to provide nutrients and oxygen to the fetus and remove waste products.

Answer:

B. A few days after fertilization