 [ Symptoms ] could i possibly be pregnant  last period may 16th unprotected sex on june 9th supposed to start june 16th still have not if you think i am pregnant when should i take a test  side notes  feel as if i start but do not   i was throwing up at 2 am on saturday the 15th i was nauseous the rest of the day   pain and cramps in various places on my stomach at random times  the guy i had sex with says he only has a 3 chance of getting someone pregnant  i have been tired lately i also have been having light heartburn i think [ Disease ] you might be stressed especially worrying over whether or not you are pregnant are your periods always regular try not thinking about it if you do not get your period within a week or if you need to settle your mind go buy a pregnancy test i do not know which one would be better just go to the store look and pick the one that works best for you