“…Among all randomized controlled trials included, four ( 19 , 41 , 46 , 55 ) used Iyengar yoga, seven ( 35 – 37 , 39 , 42 , 43 , 50 ) used Hatha yoga, eight ( 30 , 38 , 44 , 51 , 56 – 59 ) used self-designed yoga based on breathing, meditation, and mindfulness, four ( 27 , 29 , 40 , 52 ) used Sudarshan Kriya yoga, three ( 31 , 33 , 34 ) used yoga specially designed for the middle and late pregnancy, one ( 28 ) used SAHAJ yoga, one ( 48 ) used Ashtanga yoga, one ( 45 ) used Laugher yoga, one ( 32 ) used Yoga Nidra, and four ( 47 , 49 , 53 , 54 ) studies did not mention yoga methods. Seven studies ( 28 , 32 , 37 , 44 , 52 , 56 , 58 ) added yoga as an adjunct to regular treatment, nine studies ( 28 , 35 , 36 , 39 , 40 , 52 , 56 – 58 ) had a duration of 8 weeks, 14 studies ( 19 , 31 , 33 , 34 , 38 , 41 , 43 , 44 , 46 – 49 , 53 , 55 ) had a more extended study duration of 12 weeks, and one study ( 41 ) had a maximum period of 28 months. The mean study d...…”