If I sleep with my GF then I produce sperms in her, I'm expecting her to be pregnant, but she is not - she said she took after morning pills is she worthy to be my wife?

You need to have a proper discussion with your girlfriend regarding what each of you wants and expects from the relationship. Raising a child is a big responsibility and a huge burden on a woman's body - both of you need to be on the same page before taking any more chances. As for whether she should be your wife, while she did absolutely nothing wrong by taking the morning after pill (it is her body and her choice), if you desire children right now, she is probably not the right one for you.