Human bodies are not symmetrical, and both sides are not exactly the same. But you don't usually realize this until you start breastfeeding.
When breastmilk comes out brown after birth: rusty pipe syndrome
Breastfeeding Mum Asks, 'Is This Normal?!' - Mouths of Mums
Why Is One Breast Bigger Than the Other?
One breast is bigger than the other - LactApp
Why Do I Have Uneven Boobs? Uneven Breasts Explained – Lounge Underwear
LactApp: Breastfeeding expert - Apps on Google Play
LactApp on the App Store
LactApp by Lactapp Women Health
Lumps in the breast during lactation - LactApp Medical
Why Do I Have Uneven Boobs? Uneven Breasts Explained – Lounge Underwear