Let your mom or the doctor see the spots. They may just be moles, birth spots, or freckles, but an adult needs to look to be sure. They would not be a symptom of breast cancer, but some kinds of spots might need a doctor's attention. Everyone's breasts are a different shape, so don't worry about the sagging. You can read more about normal breast development in teens in this article.
Important:
We hope you find this general health information helpful. Please note however, that this Q&A is meant to support not replace the professional medical advice you receive from your doctor. No information in the Answers above is intended to diagnose or treat any condition. The views expressed in the Answers above belong to the individuals who posted them and do not necessarily reflect the views of Remedy Health Media. Remedy Health Media does not review or edit content posted by our community members, but reserves the right to remove any material it deems inappropriate.