Could I be pregnant

kayla

So i ovulated December 20th and i had sex

December the 22 and he ejaculated in me and I took a plan b 6 hours later and I had ovulated 2 days before, l've been having real bad cramps but no bleeding it’s been 11 days since I took the plan b, usually I get a period earlier then my expected period when I take a plan b can someone please help me