hi guys, i have been on the pill for years now and never had a problem, but this month a week before i am ment to talk the little white pelacbo tablets i got a little dark brown spotting then it went too really really heavy dark brown bleeding, now i dont usally have this and very nervous, i am having cramps and have been sexually active, i did through out the month take my pill at errigular times and becasue of shift work i think i may have forgotten one once but what should i do ? do i take a pregancy test or take this as a early period not that i though that was possible, i usally dont have cramps (reason why i wnt on the pill) and i dont usally have a heavy one but it usally only lasts for 3 days please help i am a 22 year old nervous with no mum to ask