did I'm pregnant?

It's been 13 days I was last sex on my husband that day I almost 1week not taking my pills and got sex and at the night of feb1 got sex in morning I'll take may pills in the night and it's been 13 days ill still taking my pills but I got always felt pain in my waist and feeling like I'm going to choke did I'm pregnant even I'll take a pills after 11hours