During the initial weeks of treatment, hormone levels may increase before they decline. As a result, you may notice that symptoms of puberty get worse before they get better. Within one to two months of treatment, you should see these signs improve.
Early puberty is becoming the norm, not the exception. The Breast Cancer Fund commissioned a meta-analysis of existing data on this subject in order to explore research indicating that early menarche is a risk factor for later development of breast cancer.