i thought my pereiod was coming,only for me to see some spooting

i was suposed to have my period on the 7th but did show up well i used to have irregular period but on the 5th brfore i had sex unprotected, and on the 13th that is 6 days after i was suposed to have mp period i had sex again unprotected too and immediately after the sex i thought my pereiod was coming,only for me to see some spooting and then it stop that day and since i have been having sex unprotected and i fell strang i am always week in the mornig and tired sometimes i fell wast and stomack ach i have not had test but i dont know if i am pregnant because my breast is not paining me. ples i need help