What Causes Fainting And Headache After Taking I-pill Followed By Sex?

hello dr. i had partial sex with my gf means i putted my penis partially inside her vagina bt after 10-15sec i pulled out , my penis was dry, thn after 32 hrs she took i pill, now till now she is experiencing fainting and headaches bt no bleeding and mild fever, her cycle starts at 13th, is there a chance that she is pregnant?? and will she be able to get her periods in time?? worried.. plz guide..!!