A prolactin is a name for someone who specializes in prolactin. A prolactin is a professional nurse who solves postpartum symptoms such as agalactia and hypogalactia through prolactin technology, that is, massage technology. The prolactinist is divided into four grades: primary prolactinist, intermediate prolactinist, senior prolactinist and prolactinist. Breastfeeding is a skill in domestic service and a very important occupation for pregnant women.