my last period was feb. 20th my next ovulation was march 5-10th me and my boyfriend had sex on march 5th and the 7th my period for this month is due on the 22nd according to my monthly cycles. but yesterday and today i have been having lower back pains :'( ...and all ii have been doing since the 8th is sleep sleep sleep. when ii did the conception date it said i concieve on the 8th if i was pregnant. My doc appointment is 15th with the ob/gyn when i take the pee test will it show up now if im pregnant or not. this is really weird i never have back pains when my period come only time i cramp is the day before my period and so forth! 8-|

please help!!! :-(