So at 13 months postpartum I finally got my period back. It’s been two months since and I’ve gotten…

So at 13 months postpartum I finally got my period back. It’s been two months since and I’ve gotten my period THREE TIMES. What gives?! I thought breastfeeding was supposed to suppress mensuration not kick it into high speed. Has anyone else experienced this? When I breastfed my second my cycles were 40+ days apart and only lasted 3/4 days.