implantation cramping?

Hey ladies, so we've been trying for 4 years. I just had excision surgery on Jan 4th An this month is the first month TTC again. 4 days after ovulation till now I've been having this cramping that is like a dull period in the center of my uterus. I don't want to get my hopes up An think it's implantation cramping. I have no other symptoms. I also had green tea lemonade from Starbucks two days but I don't think that explains the other days of cramping. I also feel like that wouldn't make me cramp a large portion of the day... I don't know, I'm so ready to have a baby. Any advice would be helpful 💕