Oestrogen (Women)
facilitates growth of the tissues of the sex organs and other tissues related
to reproduction. Oestrogen also acts to strengthen bones and has a protective
effect on the heart.
Progesterone (Women)
promotes the changes in the uterus that occur in preparation for the implantation
of a fertilised ovum and prepares the breats for milk production.
Testosterone (Men)
is responsible for the characteristics of the masculine body, including
hair growth on the face and body and muscle development. Testosterone is
essential for the production or sperm and also acts to stengthen bones