My nipples point inward instead of out. Is this normal?

They're really sore todayIf your nipples point inward instead of out, you have “inverted nipples.” Between 10%-20% of all girls have inverted nipples on at least one breast. This is normal and will not affect your health in any way. If you have inverted nipples, it’s important to keep them clean to avoid getting an infection in the folds of skin around your nipple.