Osteoporosis

Osteoporosis is the final factor of having the Female Triad:

Low estrogen levels and poor nutrition, especially low calcium intake, can lead to osteoporosis. Osteoporosis is a weakening of the bones due to the loss of bone density and improper bone formation. This condition can be damaging to a female athlete's career because it may lead to stress fractures and other injuries.

The teen years are a time when girls should be building up their bone mass to their highest levels — called peak bone mass. Not getting enough calcium during the teen years can also have a lasting effect on how strong a girl's bones are later in life. This as well as having and eating disorder and also contribute to developing osteoporosis due to the fact that the young women's body is not getting enough nutrients and vitamins.