If a nipple is inverted, it lies flat against the areola or goes inward instead of sticking out. Both males and females can have them. Sometimes, only one nipple is inverted. Another name for inverted ...
Inverted nipples indent more than they protrude. They can occur on one or both breasts. It’s estimated that 9 to 10 percent of women have at least one inverted nipple. Men can have them, too. Some ...