Period hasn’t returned

Kayla • TTC 2016-2019 Baby #1 born 1/14/2020❤️❤️🥰 Baby #2 born 2/23/2021 💜💜🥰

So I am 10 weeks 2 days post partum and my period has not returned. I haven’t breastfed because my milk supply just wasn’t enough to keep up with my baby so I’m not real sure what’s going on.