Pregnancy

My Fertile Window Was Jan 14th Through The 18th I Had Sex The 13th 16th && 18. With My Job I Lift About 50lbs Throughout The Day ! I Lifted Something And My Stomach Begun To Cramp ! Would That Be To Early To Determine Anything ? Because Normally My Stomach Do Not Hurt When I Do That ! Feedback Please ! I’ve Also Been Feeling Nauseous In The Morning But Never Puke Would It Be To Early To Feel Nauseated ? Also My Discharge Is a Creamy Color. Kinda Slimy But Not All The Time ! Help Me Please All Comment Needed !