Periods and breastfeeding.

Alicen • 22 years old. Married to my best friend on 06/13/15. Had our princess on 03/04/2016. Angel baby 11/23/2016. 4 fur babes!
Hi!! Although I wanted to BF for a year I just stopped pumping a good month and a half ago due to lack of milk supply. ( I tried everything to gain more milk..nothing helped. ) I was awaiting the good aunt flo, but she never returned... Is that normal? When do you start back up on your cycle?