Juvenile Polyposis of Infancy, also known as infantile juvenile polyposis syndrome, is related to juvenile polyposis syndrome and cowden syndrome 1. An important gene associated with Juvenile Polyposis of Infancy is BMPR1A (Bone Morphogenetic Protein Receptor Type 1A), and among its related pathways/superpathways are Breast cancer pathway and Primary ovarian insufficiency. Affiliated tissues include colon and heart, and related phenotypes are adenomatous colonic polyposis and anemia