Help.

So my last period was April 1st-5th. I had sex on the 8th and then didn’t have sex again until about the 17th and then again on the 19th or 20th. I took a test on May 2nd and it was VERY positive. Is it more likely that I had gotten pregnant from the sex from the 8th or the sex from closer to the end of the month? Ovulation was supposed to be from around 12-16th & period was supposed to start on 30th.