Advice needed about birth control and menstrual cycle

Patient: Hi i have been on cerelle mini pill for just over a year now when i first started it i was bleedin all the time when i went back to my gp for my 3 months review she said i shudnt be experiencing any bleeding at all and put me on 2 pills a day the bleeding stopped until 2 wks ago i started spotting then 3 days ago it was more than spotting is this normal after a year?

Symptoms: Tender breasts, feeling sick ,hot, mood swings, emotional period like cramps