“…Athletes with longstanding functional hypothalamic amenorrhoea have been shown to benefit less from the osteogenic effects of exercise (Ackerman et al, 2012;Bonis, Loftin, Speaker, & Kontos, 2009). Even subtle alterations in the oestrogen/progesterone imbalance (e.g., regular menstruation but alterations in luteinising hormone), as seen in subclinical ovulatory disturbances, may adversely impact bone, particularly at trabecular-bone-dominant sites, such as the spine (Li, Hitchcock, Barr, Yu, & Prior, 2014).…”