Low Energy Intakes and Excessive Exercise in Female Athletes May

Low energy intakes and excessive exercise in female athletes may result in low levels of which hormone?

A) estrogen and these low levels lead to a reduction in bone mineral density.
B) thyroid stimulating hormone and these low levels promote the formation of goiter.
C) secretin and these low levels increase hydrochloric acid production in the stomach.
D) insulin and these low levels leads to an increase in glycogen synthesis