RESUMEN
BACKGROUND: Among indigenous Mam-Mayan women, breastfeeding practices may be intertwined with cultural influences during the early postpartum period. OBJECTIVES: Our study explored whether beliefs regarding transmission of emotions through breast milk, the feeding of agüitas or temascal (traditional sauna) use were associated with achievement of the World Health Organization infant feeding recommendations and if these cultural practices served as moderators of the relationship between optimal breastfeeding practices and infant anthropometry. METHODS: We recruited 190 mother-infant dyads at infant age < 46 days. Data on breastfeeding and cultural practices were collected via questionnaire. Infant length, weight, and head circumference were measured and z scores were calculated. Multiple linear and logistic regression analyses were used to examine determinants of initiation of breastfeeding within 1 hour, breastfeeding frequency, breastfeeding exclusivity, and infant weight-for-age z score (WAZ). RESULTS: Mothers who delivered at the traditional midwife's house (odds ratio [OR] = 2.5) and those who did not believe in the transmission of susto (fright) through breast milk (OR = 2.4) were more likely to initiate breastfeeding within 1 hour postpartum. Higher breastfeeding frequency was observed among mothers who spent more time in the temascal. Initiating early breastfeeding within 1 hour postpartum was the sole infant feeding practice positively associated with exclusive breastfeeding and WAZ. CONCLUSIONS: Our investigation in the Western Highlands of Guatemala has highlighted the link between cultural practices and beliefs during lactation, breastfeeding practices and infant growth. Public health practitioners need to understand how local cultural practices influence early initiation of breastfeeding to promote adequate infant weight.