By A Mystery Man Writer
Nipples are commonly classified as protruding, flat, inverted, or classified, but there are also variations in their number, size, color, and texture.
What does a normal nipple look like? – Milkdrop
What is your nipple type? 24 other facts about nipples
Milk Lines and Breast Development
Thrush on Nipples: Symptoms, Treatment, and Breastfeeding
Breast development: Stages and how to spot growth signs - Flo
The 8 Nipple Types in the World - Different Areola Sizes and Shapes
Why do people have extra nipples?
Cracked Nipples Symptoms, Causes & Common Questions
EYNTK about the different types of nipples (and yep, they're *all* normal)
Breast Cancer Symptoms and Signs