Milk Supply is a collection of recent articles in one convenient volume. Health care providers will find the latest insights from thought leaders on the following issues related to milk supply. • "The Magic Number" teaching concept to help mothers maintain their milk supplies while pumping • Breast massage and compression to help mothers increase breast milk yields and overcome breastfeeding difficulties • New, more-conservative guidelines on the use of galactogogues • Fenugreek, milk volume, and prolactin levels in mothers of preterm infants • The safety and efficacy of placenta consumption as a galactogogue • Preparation, cleaning, and sterilization of breast pump parts • Appropriate use of nipple shields to improve breastfeeding outcomes • The importance of the mother-infant relationship in babies' growth and development