I took the plan b pill levonorgestrel 1.5 on 2.3.17 now if i wanted to get pregnant even after taking the pill can i this month with unprotected sex?

May be but why?: Are you ready to be a mother? Do you have means to support yourself and a baby? Please reconsider your idea of getting pregnant. You may wish to delay pregnancy at your young age. It would be prudent to work on your education and getting into a good career so that you may provide a good life to your child. You may consider implanted contraceptive, or IUD. Practice safe sex. Get HPV vaccine.

Think it through: You sound confused about what you want. I suggest you think things through before you do a 180 on your conception plans. In any case, I would wait a full cycle before you try to conceive