What is the source of estrogen and progesterone during the first 10 weeks of pregnancy?
A)ovarian follicle
B)placenta
C)corpus luteum
D)anterior pituitary
E)trophoblast

Question

Quizplus · Accepted Answer

During the first 10 weeks of pregnancy, the corpus luteum (which develops after ovulation) is the main source of estrogen and progesterone. This is because the placenta does not fully form until later in the first trimester, and it is the placenta that eventually becomes the primary source of these hormones throughout the rest of the pregnancy.

What Is the Source of Estrogen and Progesterone During the First