Any insight?

Okay, so I ovulated 5/12, 8 days ago. I'm normally irregular but I this is the first time while ttc that I've tracked my ovulation. So, i usually get a period every 2-3 months, my last one was in March sometime (I can't remember😔). Basically I wanna know, since I know that I ovulated and BD on time and today ive been so tired and muggy and I'm having this pelvic pain and lower right back pain, could I be preggo? When should I test?