Hello So I Had Unprotected Intercourse And Two Days Later

Hello so I had unprotected intercourse and two days later I had slight spotting it lasted for two days on and off I've been having a few symptoms like fatigue frequently urinating like 6-7 times a day hadst bloated for days now mild cramps I'm now 5 days before the start of my period also I had intercourse 5 days after my last period and my cycle ranges at 26 days could I be pregnant