Factors influencing the duration of breast-feeding.
D001290:Attitude; D001941:Breast Diseases / Q000523:psychology; D001942:Breast Feeding; D005260:Female; D006801:Humans; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D012959:Socioeconomic Factors; D013997:Time Factors