According to the World Health Organization (WHO) 8-9% of women will experience breast cancer, this makes breast cancer the most common type of cancer in women. The purpose of this study was to determine "the relationship between knowledge and attitudes about breast self-examination (BSE) in women of childbearing age (WCA) in Sigulang Village". This research is descriptive in which a sample of 30 respondents obtained using a questionnaire was processed by editing, coding, tabulating, scoring and then presented in the form of a frequency distribution table. From the research results obtained frequency distribution based on the knowledge of the majority of less knowledgeable 24 respondents (80%). Based on the age, the majority of respondents lack knowledge of 21 (69 ,72 %) with the age of 20-40 years. Based on education, the majority of respondents lack knowledge of 18 (60%) with high school education. Based on the occupation, the majority of respondents are less knowledgeable than 18 respondents (60%) with the occupation of housewives. Based on information sources, the majority of respondents lack knowledge of 18 (60%) from electronic media. It can be concluded that the knowledge of women of childbearing age about breast self-examination is still lacking.

Breast milk consists of several elements such as water, enzymes, nutrients, hormones, antibodies which are difficult for humans to imitate. One of the factors that cause a lack of breastfeeding is less milk production. Many factors cause a lack of smooth breastfeeding, namely problems with the mother, including inverted nipples, mastitis or breast abscess, swollen breasts, and sore nipples. In infants, it is generally an error in lactation management, which causes a decrease in milk production. The purpose of this study was to determine how the effect of soy bean milk on increasing breast milk production in postpartum mothers in Salambue Village, Southeast Padangsidimpuan District. The type of research used is experimental research with a prettest posttest only control group design. Using purposive sampling with the number of respondents as many as 8 people, namely the experimental group respondents as many as 4 people and the control group as many as 4 people. Based on the results of the study, it showed that there was an effect of giving soy bean milk to the increase in breast milk production in postpartum mothers in Salambue Village, Southeast Padangsidimpuan District with p-value <0.05 it mean Ho is rejected and Ha is accepted.

Insufficient breast milk is the main reason for a mother to stop breastfeeding early, mother feel that he does not have sufficient milk production to meet the needs of the baby and support increase heavy body baby which adequate because breast milk no out or production not enough fluent. Care that effective for multiply production breast milk Among other with To do care breast or breast care with guard cleanliness and (massage) breasts, and massage oxytocin. Massage oxytocin have some very helpful benefits for mothers after childbirth and also can reduce physical discomfort and improve mood. Massages done in along bone behind this could relax tension on back and relieve stress so that it can facilitate the release of breast milk. Meanwhile, according to Department of health RI massage oxytocin could reduce swollen, reduce blockage breast milk, and maintain milk production when mother and baby are sick. Type of research used is quantitative, is research which done with the aim of making description or description something state objectively. Results data collection individual and family where amount mother breast-feed as much 30 person, held with counseling and use tool in the form of questionnaire for measure how mother's knowledge, and it was obtained that knowledge mom about the benefits of oxytocin massage in increase production breast milk majority knowledgeable not enough that is 29 person (96.7%), the minority with sufficient knowledge is 1 person (3.3%) and has good knowledge no there is (0%).