hi please help. i cant get in the docs to wednesday and im worried. my cycle has been a mess the past few months achy boobs for 3 weeks then period the 1 week ok then it starts again, achy boobs for 3 weeks etc. well this month i came on 8 days early but it was heavy and unusual, i came off 4 days ago now and since then ive had horrendous lower backache and also what feels like period pains my cycle has always been very predictable before all this and very regular i dont think im pregnant as were very carful but id like to know if anyone has had similer symptoms then found out they were pregnant? im just very confused and worried. thanks in advanced for advise. 