Is it possible?

When I returned back to work 7 weeks pp I was only able to pump at work depending on when my bosses would let me pump would be between 4-6 hours between pumps and I had a period maybe 2-3 months after returning to work now I’ve quit work and back to breastfeeding every 2-3 hours. I was supposed to get a period 3-5 days ago depending on which app I look at but is it possible that I could just gotten back into not having periods from breastfeeding?

(Not being the most safe with sex but only had sex maybe 1-3 times the past month 2/3 times with a condom & the last one was yesterday in hopes of starting my period with no luck so far)