I have a 30 day cycle but I'm not sure if I have 30 day cycle for every month , but my last menstrual period was on July 18, 2013 . And my previous period was June 18, 2013 whis is a 30 day cycle so I did the ovulation calendar and I put in my first day of my last menstrual period which was July 18, 2013 , and I put I had a thirty day cycle and it said I was I was most fertile on 29-auguest 3rd. But I had sex on the 28th which is day 11 but I had sex with a condom first he ejaculated then we waited for like 10 min had sex unprotected . Then on Auguest 1st which is day 14 and I also had sex unprotected two times and my ovulation my ovulation day was on Auguest 3rd , 2013. I went an ovulation calendar and the website was called just mommies and I put all my information that I needed to put to calculate my most fertile days and my ovulation day. And sperm servives in the vagina up to 3-5 days , rite? But I need some answers please I'm wondering if I could be pregnant , please & thank you !

