My period is normal. i have a 22 day cycle but its been 34 days since the first day of my last cycle. little back pain and that's it. could i b pregna?

Yes: One of the most common causes of a late period is pregnancy. If that has been ruled out, other things it could be are stress, thyroid, hormonal imbalance, tpolycystic ovarian syndrome, medication just to name a few. These can be assessed by obtaining a better history and checking some labs.

Yes: If you are sexually active and don,t use any form of contraception,you could be pregnant. Get a pregnancy test done.