hi, i am 23 years old, height 5feet 4inch,weight 67kg.my marriage was on june 2011. usually i have my periods after 26 days.after my marriage we consult a doctor for birth control measure and she prescribed ovral-l and ask to take it on the third of mensus. i had start taking the pill from june 21. after taking 21 tablets i have my next period on july13. since on my third day of periods i didnt get 7 day gap so i didnt take ovral-l for that month. my period end in july 19 and i used to have small blood stains from july 21 and it continues for 5 or 6 days. in that month we use condoms.after that i didnt have my periods and i am worrying about pregnancy. i had cramping as if my period was to come yesterday, but nothing happen. its my 29th after my last period. should i take pregnancy test?