Hey loves I need help!

I have weird irregular but regular periods (they either come on time or a couple days late/early)

Last night my hubby and I did the deed and when we finished there was a fair amount of blood... now here's were I need help I don't know if it was implantation or my period starting super freaking early? The bleeding has kind of stopped today I guess because now it's like a brown colour.

We BD on all the right days so I'm confused... 🤷🏻‍♀️