Omg what does this mean?

Ash • Happily married and blessed to have welcomed our TWIN BOYS via IVF a year ago in March of 2017! 💛🔬🍍👶🏼👶🏼
So I just went to the bathroom and had saw pink when I wiped! Do you think it's implantation? I started to freak out and get a little excited. It's 1:16 AM and now I'm 7 DPO. Oh I hope hope hope this leads to a BFP in a few days! Ahhhh! 😆