Sex hormones, also known as sex steroids or as gonadal steroids, are hormones which interact with estrogen or vertebrate androgen receptors. There are numerous types of synthetic sex steroids.
 
 
Recommended Resources
Estrogen and Testosterone Hormones
Provides a comparison of the these two sex hormones and outlines the importance of each one, what happens when there is too little in the body, and hormone-replacement therapy.
http://healthguide.howstuffworks.com/estrogen-and-testosterone-hormones-dictionary.htm
Hormones of the Reproductive System
Offers details about sex hormones, including estrogens, progesterone, and anabolic steroids, their modes of action, and how hormone replacement affects the system.
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/S/SexHormones.html
Premarin, or conjugated estrogens, is the topic of this site, which includes details about menopause in general, the benefits and side effects. Also includes a tool by which women can assess symptoms of menopause.
http://www.premarin.com/
The Sex Hormones: Estrogen, Progesterone, Testosterone
Discusses the balance of hormones and delineates what they are and what they do for the body.
http://www.sabresciences.com/sexHormones.htm