hi, i have all pregnancy symptoms since 2 weeks, so i go to Doc on Feb,14. Pregnancy test come out negative and scan can't see anything. 

Feb 15 i get my period but its only last 3 days

Feb 18 i get brown discharge

Doc asked me to to some home pregnancy test again in few days and i did. Feb 18 pregnancy test still negative.

i still have nausea and all other symptoms.

i had 2 ectopic pregnancy back 2007 and 2009. 

now i not sure if i am pregnant or not.