Help with my breast pump

Lynnsey

Hello I was just pumping I have a spectra s2 I noticed one of my nipples felt like it was hitting the inside of the flange where the milk drops on the bottle I stopped pumping and looked at my nipple it had the I dention of the hole on it.. is this normal my other nipple is perfectly fine the photo I attached of you look can see the indention

[photo removed by Glow]