Magnitude of risk
Risk factors	Low risk = 0 points each	Moderate risk = 1 point each	High risk = 2 points each
Low energy availability with or without an eating disorder	No dietary restriction	Some dietary restriction; current or history of disordered eating	Meets DSM-5 criteria for current or history of an eating disorder
Low BMI or expected weight	BMI ≥ 18.5 kg per m2, ≥ 90% expected weight, or weight stable	BMI 17.5 kg per m2 to < 18.5 kg per m2, < 90% expected weight, or 5% to < 10% weight loss per month	BMI ≤ 17.5 kg per m2, < 85% expected weight, or ≥ 10% weight loss per month
Delayed menarche	Menarche < 15 years	Menarche 15 to < 16 years	Menarche ≥ 16 years
Oligomenorrhea or amenorrhea (current or history)	> 9 menses in 12 months	6 to 9 menses in 12 months	< 6 menses in 12 months
Low bone mineral density†	Z-score ≥ −1.0	Z-score −1.0 to < −2.0, especially in weight-bearing sports	Z-score ≤ −2.0
Stress reaction/fracture	None	1	2 or more, or 1 high-risk fracture (e.g., trabecular site such as femoral neck, sacrum, or pelvis)
Cumulative risk	# Points +	# Points +	# Points = Total Score