“…In most cultures, pregnancy, childbirth and peuperium are critical periods of human life (Mathews and Manderson, 1981;Jambunathan and Stewart, 1995;Thi, 2004). Many practices, such as dietary restriction, herbal steam baths, mother roasting, are common during the postpartum period in many Southeast Asian cultures (Mathews and Manderson, 1981;Daviau, 2003;Kaewsarn et al, 2003a,b;Liulan et al, 2003;Thi, 2004;Lo, 2007;Lundh, 2007;Zumsteg and Weckerle, 2007;Barennes et al, 2009;de Boer and Lamxay, 2009;Villamin and Villamin, 2009;Lamxay et al, 2011;Panyaphu et al, 2011) and a number of medicinal plants are practices (e.g. Pake, 1987;Spring, 1989;Anderson, 1993;Corlett et al, 2003;Lundh, 2007).…”