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. 2022 Apr 29;30(2):390–407. doi: 10.1007/s43032-022-00952-9

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Fig. 2 — Effect sizes for studies evaluating continuous outcomes of dysmenorrhoea (standardised mean differences and 95% confidence intervals). Legend: EOI, end of intervention; GnRHa, gonadotropin releasing hormone agonist; IT, intermediate term; OC, oral contraceptive; SMD, standardised mean difference; ST, short term