Final answer:
The female athlete triad consists of low energy availability and menstrual dysfunction.
Step-by-step explanation:
The female athlete triad consists of two conditions: low energy availability and menstrual dysfunction. Low energy availability occurs when females do not consume enough calories to meet their energy needs. Menstrual dysfunction refers to irregular or absence of menstrual periods. Therefore, the correct answer is option D, which includes both low energy availability and menstrual dysfunction.