Am I drying up?

Robin

My daughter will be 3 months Sunday! I breastfeed her and use to pump but it seems like everyday she sucks every bit of milk out of me. I use to be able to pump and freeze milk and also feed her but my boobs feel very soft and saggy (lol). Do y’all think I may be drying up? Any tips to help up my supply so I can pump and freeze milk?