Excessive bleeding after beginning birth control

Patient: I have been spot bleeding and now full on period like blood for about a month now. I started birth control 3 weeks ago, and am concerned at the amount of blood.

Doctor: Hello, I understand your concern on your irregular period. Let me reassure you that this could be a normal side effect o f Oral contraceptives.The cycles can be altered by time of presentation and volume of blood, also nausea, breast tenderness; headaches are commonly present when starting OCPS.These side effects often subside after a few months use.