I had sex with my gf...with protection. ..but as I was nt sure abt the protection...so to be sure she took a ipill..the very next day.bt her periods are late now..bt I between I.e on 13 of oct she had a viral fever ..doc advised for blood and urine tests....she was supposed ti get her cycle on 24th oct but its late...now my doubt is would have she been pregnent ..would nt have that being cought in the blood and urine doc gave for viral fever. plz help asap.