In all honesty, no. I do not think you got pregnant. Missing one is probably okay. You took emergency contraceptive tough just in case? Well, your hormones may be all over the place for a while. Emergency contraceptive is a big dose of hormones which is how they work but after a woman has all those extra hormones to deal with. You may have break through spotting, breast tenderness, moodiness, etc. That's going to be the affect of the extra hormones. You can take a pregnancy test 2.5 weeks after the last unprotected sex. Withdrawal method can still result in pregnancy. The penis will let off small amounts of sperm before the major ejaculation. But overall, I do not think you'll get pregnant from this. Please follow back up with me and let me know!