Swollen lymph nodes???

Aly • Had our beautiful daughter 2/19/16. She is our beautiful rainbow, with three siblings in heaven 💕
Hi ladies. 
I'm wondering whether I should call my OB or not. I feel like I always bother her but the lymph nodes under my armpits are really swollen and sore. I'm not sure if that's bad or what's going on. Is that normal or something to be concerned about?