In an article in Giddy, Dr. Connor explains that although its primary function is reproductive system development and maintenance, estrogen also plays a key role in bone, breast and brain health, Connor said. Estrogen bolsters bone strength, and the lack of it can contribute to weak, brittle bones and osteoporosis. Read the entire article in Giddy.  If you are concerned with bone strength and want to discuss it further, make an appointment with Dr. Connor.