Liquid from breast

Kyla

Before I take a shower this morning I noticed white crust on my nipples when I got out of the shower I noticed liquid coming out of my right breast I have a year and a half year old son which I only breastfed him for 2-3 weeks when he was born and didn't breastfeed after that my period Is due in 3 days could I be pregnant or does this happen after you have a kid