Ok so I had sex almost a week ago. Today is monday had unprotected sex last tuesday. No condoms nothing. He pulled out. I know the pre cum contains sperm and all. The next day I went to my dr to get on birth control and he recommended mirena. So they did a quick preg test came back negative but I dont think u can tell if I'm preg within one day. So now I'm on mirena but he still is using pull out method. I woke up monday morning around 3 and my tummy hurt felt very sick. I dont know what to do being on mirena I usually don't get my period....had it back in 2010 took out to get preg which I did. Also I'm not due to get my period for atleast 2-3weeks my day of last period was may 29th. Can anyone help me figure out what to do or how to figure out if im pregnant????