“…Twenty‐eight RCTs reported results of 1944 pregnant women. Nine RCTs were conducted in West Asia (Iran (Asghari et al., 2016; Bastani et al., 2005; Khorsandi et al., 2016; Mohammad & Shima, 2019; Nasiri et al., 2018; Shahtaheri et al., 2016; Zaheri et al., 2017) and Turkey (Ertekin et al., 2018; Fiskin & Sahin, 2018)); seven in Europe (Greece (Kantziari et al., 2019; Tragea et al., 2014), Germany (Richter et al., 2012), Ireland (Matvienko‐Sikar & Dockray, 2017), Sweden (Lönnberg et al., 2020; Scherer et al., 2016) and UK (Krusche et al., 2018)); five in USA (Guardino et al., 2014; Jallo et al., 2014; Urizar et al., 2019; Vieten & Astin, 2008; Zhang & Emory, 2015); three in India (Deshpande et al., 2013; Muthukrishnan et al., 2016; Satyapriya et al., 2009); two in China (Pan et al., 2018; Zhang et al., 2019); and two in Australia (Beattie et al., 2017; Woolhouse et al., 2014). The mean age of the participants ranged from 18 to 35 years old.…”