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Table 4 Grade of recommendation

From: Development and validation of a guideline on sexual and reproductive health services for polycystic ovary syndrome in Iran: a mixed-methods study protocol

Grade Definition
A All level 1 evidence shows that benefits are greater than harms
B At least one piece of level 1 and level 2 evidence shows that benefits are greater than harms
C There is no high-level evidence that benefits are greater than or equal to harm. Decisions should be made based on experts’ opinions
D There is evidence that harms are greater than benefits