Yongfang Deng

Feb 20, 2023 | bmjopen.bmj.com | Nan Ma |Kai Chow Choi |Guangzhou Women |Yongfang Deng

Interventions The proposed 12-week Tai Chi programme began from 16 weeks of gestation, as the second trimester is identified as the best time to begin a prenatal exercise programme28 and prenatal exercise interventions beginning from 16 weeks of gestation were shown to be effective in increasing participants’ PA levels.22 29 The intervention package included two face-to-face educational sessions in the first week, three weekly face-to-face Tai Chi sessions in the first 3 weeks, a Tai Chi...