Jan 29 period came on went off on Feb 2 had unprotect sex on feb 7 took plan b same day plan b induced period feb 12 through feb15 according to period tracker app feb 13 I would have ovulated and next period due feb 27... but with plan b period ovultion charted at feb 20 and next period march 6. Which dates do I go by? And could I be preggo being that I had sex during the new ovulation time? I've been nauseated hot fatigued for like 4 days now... worried