Should I test??

So I have irregular period but average about 32. My last period was December 13th-17th. I had sex 25th, 27th, and 1st. I had cramps the 4st though 6th On January 8th I had pink and brown spotting and brown spotting the 9th. I have sore boobs off and on and just really hard nipples. I’m also very gassy and bloated Should I test??