Am I pregnant or My period is just late?

My period last December was on 31 to January 4. On Jan 6 his p just touched my v and only precum occur. Then, I bleed on January 13-19, light bleeding with small cloths. I don't know if that's a period or an ovulation spotting. On Feb 5, I had a clear watery and stretchy discharge. These past few days I also experienced cramps. Up until now I still don't get my period but my cycle was irregular even before.