implantation question

🌸Jess🌸 • Mom to 3 furbabies 🔅 married to the love of my life 💕

last night I had a sharp pain on my left side and right side of my uterus. Lasted around 10 minutes. On and off. I am 12 DPO today. So 11 yesterday. Is it too late to implant? my AF is due tomorrow no early spotting that I usually get