Problem
hCG, estrogen and progesterone are hormones that are secreted throughout pregnancy. Answer the following questions about these hormones.
• Identify the structure that initially secretes hCG
• Describe the function of hCG and identify the trimester where the hCG level is the highest
• What are the roles of estrogen & progesterone in pregnancy
• What structure initially secretes estrogen & progesterone?
• What structure takes over the role of secreting hCG, estrogen & progesterone in the second and third trimesters?