“…The 17 RCTs originated from China [ 48 , 49 ], Iran [ 39 , 40 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 ], and the USA [ 63 ] ( Table 2 ). Fourteen of the RCTs [ 39 , 40 , 48 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 62 ] were double blinded, and three were not [ 49 , 61 , 63 ]. Women were aged in their twenties [ 39 , 40 , 48 , 50 , 51 , 52 , 54 , 55 , 56 , 58 , 60 , 61 , 62 , 63 ] and thirties [ 53 , 57 , 59 ] in 13 and thre...…”