Is 19 years of age too young to get a Breast Reduction?

I am 19, 5'6", 130 lbs, and have between 32-34DDD/E breasts. I started puberty early (at 11-12) and have had at least a D-cup since middle school. I have extreme discomfort and aching in my back, shoulders, and neck. I feel very uncomfortable sitting/standing up straight as well as working out. I am not at all concerned about scaring but my mother thinks I am too young. Would you recommend something else or another way to reduce the size of my breasts without surgery?