The Female Athlete Triad Includes Which Three Combinations of Symptoms

The Female Athlete Triad includes which three combinations of symptoms?

A) Low bone density, decreased intake from an eating disorder, amenorrhea
B) Iron deficiency, low bone density, amenorrhea
C) Low bone density, decreased energy intake with or without an eating disorder and amenorrhea (must have all three)
D) Low bone density, decreased energy intake with or without an eating disorder and amenorrhea (must have at least one of three)