Ok so I had unprotected sex alomost a week ago on a Saturday night & my boyfriend pulled out he said he didn't inside so on a Tuesday at 12 am I took plan be so I don't know if I took it right or if I'm on time so yesterday I took 2 preqnacy test & it came out negative ? Does that mean impregnant I'm freaking out I haven't slept for 2 days oh and I have irreqular period sometimes