ABSTRACT
Research shows that breastfeeding has health effects are great for babies, mothers and even the environment, but the average prevalence of breastfeeding remains low, universal infant breastfeeding until the age of four months only 39% .Mothers need support in order still breastfeeding, the support given from the time of pregnancy. Support during the postpartum health workers are usually limited to the mother came out of the period of postpartum care in the hospital, while the breastfeeding problems arise in the first weeks postpartu. support given during the post partum can be provided with the Mother Support Group , the support provided by peers (peer). The results showed significantly improve peer support average exclusive breastfeeding or duration of ASI. Keywords: Mother Support Group, support Exclusive Breastfeeding

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