Can i be?

May
Ok ladies i need to know all the symptoms in pregnancy before I loose my first period ... I know there not a lot but im felling diferent and I need to know. I had unprotected sex with my bf and he eyaculated inside me and that was on the 6 of march and i finished my period the 4 of march. So my question is what symptoms can i fell before i loose my first period ? Im supposed to be getting my period in 4 days 
This is what im feeling different 
1- tierd than usual
2- i get dissy (almost fell)
3- and my boobs dont hurt ! (This last one it's kinda not really a symptom but every 7 days before i get my period my boobs hurt 
Soory for my english i speak spanish :)