Late period or implantation

Maybe this is just a second late cycle for me. A tiny drop or 2 of bright red blood, the rest pink & briwn only a few days yesterday, heavy menstrual cramping on & off for days, headaches, breast tenderness & cycle day 34 today. Has anybody found out they were pregnant after feeling this similar to PMS? Cramps have been my usual normal before period, but my cycles are usually 28-30 days. I haven't tested since day 30. Tired of wasting money on them since TTC for over 18 months