Analysis of the mammary gland structure involved in lactation and factors associated with breast-feeding continuation

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The purpose of this study was to clarify factors affecting breast-feeding continuation from delivery until 3 months after delivery. We consider that the results of this study may provide the basis of effective support for breast-feeding, allowing the realization of mothers' wish for "childcare by breast-feeding".Results1.The following 22 items in 3 categories were factors affecting the continuation of breast-feeding until 1 month after delivery1)Psychosocial factors affecting breast-feeding : 14 items"Fist childcare by breast-feeding", "resignation from experience", "maladjustment due to differences between the idealize child and the actual child", "insufficient living experience with the child", "insufficient energy", "lack of interest in or wish for breast-feeding", "inappropriate goals/orientations and values", "inappropriate decision-making", "disturbance by family members or others", "living situations not conducive to breast-feeding", "critical situations of family members or at home", "breast troubles", "lack of support", and "maternity blues".2)Breast morphological factors affecting breast-feeding : 3 items"Breast morphological abnormalities (flat nipples, inverted nipples, and large nipples 【greater than or equal】 17 mm in diameter)", "nipple fissures", and "mammary gland tissue thickness 【less than or equal】 21 mm".3)Background factors in the mother/child affecting breast-feeding : 5 items"Bleeding volume at delivery 【greater than or equal】 500 ml", "birth weight < 2,500 g", "absence of breast-feeding in the last child", "smoking habit", and "absence of breast-feeding at discharge".2.Breast-feeding at discharge may be an indicator of the continuation of breast-feeding until 3 months after delivery.ConclusionBased on these results, we intend to develop an assessment tool for support for the continuation of breast-feeding.