Why its the reason my breast milk is coming back if it was completely dryed up?

Hi Everybody! im 22 years old well my breast milk had dryed up when my baby had almost a month. And now she is 6 months. So my question is why is my breast milk is coming back if it was completely dryed up??? Im eventually scared if its something not good you know. so please help me find out whats going on with my body.

[30something13]

hormone changes or your body is just responding to your little one. I have BF 4 and I will leak like a siv if I hear anothe rbaby cry. I had milk for two years after I had stopped bf. It is nothing to worry about, Or you could be pregnant again!