Ovulation vs post ovulation

I have a 2 year old. We conceived him when I was on continuous birth control pills. (The doctors way of stopping my period as I have endometriosis). We were completely shocked but super excited.

We started trying to conceive our second child in May. This month is the first time we've had sex everyday of my fertile window. My question is: has anyone experience mild cramping and one sided abdominal pain? I didn't know I was pregnant until I was 7.5 weeks. So I'm not sure what the first symptoms are. TIA.