Period regularity

Kelly • 25 years old. Wife of 3 years. Pregnant with rainbow baby after ectopic pregnancy/ruptured and removed right tube! 💙🎀
2nd + time moms: when your period returned after birth, was it the same as before? In regards to length, regularity, flow? I am a ftm, and I would like to not get back on birth control. I had a VERY regular period before (like, I knew down to the hour almost).. And I always knew when I ovulated.. But I'm scared that it won't be regular anymore and I won't know when to avoid pregnancy. Just wanting to hear your experiences..