17-Years-Old Teenager with Anencephaly Eko Setyo Herwanto1*, R Mohamad Javier2, and Prima Sultan Hudiyanto2 Abstract Background: Anencephaly is the most common type of Neural Tube Defect (NTD). Babies born with anencephaly usually die within hours or a few days after birth. The prevalence of anencephaly cases reaches 5.1 per 10,000