Implantation bleeding?

Shannon • 5+ years of infertility Unexplained/MFI IVF/ICSI | one 👼🏼 | 🤰with our 🌈 July 2022

CD22 and 10dpo. Went pee when I got home from work and experienced some light pink spotting. Af isn’t due til the 23rd. Could this be implantation bleeding?