need some advice girls.!!!! ASAP

So, I've been trying to conceive for about a year, and we haven't gotten anything. This month we've had sex once a week, but after having sex last Sunday recently I've been having small dull cramps on my left ovary. Could it be? That I'm expecting? By he way my ovulation doesn't start till next week.! If I took a pregnancy test could I get a positive?! I don't know I'm desperate!!! And need advice ASAP!!!