Question

question 18
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which hormone contributes to development of the mammary glands during pregnancy?
fsh
prolactin (prl)
estrogen
progesterone

Explanation:

Estrogen promotes the growth of mammary gland ducts during pregnancy. FSH (Follicle - Stimulating Hormone) is mainly involved in follicle development in the ovaries and sperm production in males. Prolactin (PRL) is more associated with milk production after childbirth rather than the development of mammary glands during pregnancy. Progesterone is important for maintaining the endometrium during pregnancy but has a less direct role in mammary gland duct development compared to estrogen.

Answer:

Estrogen