I need to know if anyone has had this happen to them

I woke up at 5am in a lot of pain on my left side from the back to the front and it’s the lower part of my back and at the bottom of my stomach I am currently still in pain could it be a sine of implantation it has been 12 or 13 days since my man and I did it on my ovulation day and we have done it yesterday and the day before and im now starting to have this pain two day before I start my period the pain is like sharp and feels like someone is pulling on my left side there is times where the pain is so bad im in tears has anyone else experienced this kind of pain and then found out they was pregnant?? Please help