Milk supply after baby's discharge

My baby was born premature and been in NICU for few months already. We're hoping baby to be discharged and be home soon. Ever since the birth the milk supply has been minimal like 10-30 ml per pump session. Even got my periods after a month of delivery. Used to pump 6-8 times a day but that didn't get me anywhere nor did power pumping or anything else. Motivation to pump decreased with time because of such less milk production and also to help get some rest and I now hardly pump 4-5 times a day. Baby hasn't latched on to breasts yet so never breastfed. Has anyone seen an increase in production after the baby is home or starting to breastfeed? Considering the periods have also started already?