Could My Partner Be Pregnant Through Genital Frottage With Multiple Layers Of Clothing?

Good Day Doc, Me and my gf doing rubbing our genitals with each other with clothes on she is wearing a Bermuda shorts, cycling and underwear while I wore my shorts and underwear. Can she get pregnant? After we did that a day after she then starts having nausea for almost a week now. Do you think she is pregnant?