Genitals rubbing cause pregnancy? To me!

So.(I'm a virgin, 17 yrs old) . I have already ask thi que.. But again I m here.... So it's like on 14/09/18 me and my partner intimate.. And I started rubbing my penis over his vagina jst rub.after sometime i feel like there is something wet so I get off Over him... His sperms release 5 mins after we were done and also already wear clothes.... From next day I started feeling nausea and sleepy... So on 16/9/18 I took a i-pill.... But I was feeling same from next day.. Nausea,tiredness and in addition lower left abdominal pain...its 21/09/2018 today... That Means 1 week after our genitals rubbing.... Toda morning I took a pregnancy test it said negative.... .but I also notice white discharge in my undies that are forming hard kind of layer in my undies...But I have no breast tenderness...And no spot of anyy blending till now... But my lower left abdomen is slighty paining just slightly when I am changing posture...I going to take pregnancy test again tomorrow...what is happing to me!!