Adolescent Medicine Learn More For questions or appointment requests, call 413-794-KIDS (5437). Most children stay under the care of their pediatrician until they reach adulthood, typically between ages 18 and 21. Our board-certified adolescent medicine specialists at Baystate Children’s Hospital care for teens and preteens – ages 10 to 22 – who may need extra help with adolescent developmental and medical issues, including those related to: Puberty Eating disorders Gynecology, including menstruation (periods) and vaginal infections Sex (contraception, sexually transmitted infections, etc.) Eating Disorders Program Eating disorders can have serious medical and emotional consequences. If you think your child or teen has an eating disorder or if they have been diagnosed with an eating disorder, talk to your pediatrician. They can refer you to Baystate Children’s Hospital’s Adolescent Eating Disorders Program if needed.