Mysterious lactating.. cause?

Milly

Not pregnant, not spending copious amounts of time with babies, I am however with children 4-8 ALOT. I first thought it was my menstural hormones being weird but it’s now been well over a month and two periods have been and gone. Lactating along with a lot of dryness and cracking and some blood spotting. What could be the cause? Should I be worried?