They most frequently occur along the embryonic milk lines, just like in other mammals.
Sometimes, a person may have an extra nipple or set of nipples.Īccording to the Genetic and Rare Diseases Information Center, these are known as supernumerary nipples, and they are a common congenital abnormality. The genes responsible for the development of reproductive organs do not become activated until a later stage. The nipples form very early in gestation, which is why males also have nipples. In mammals, once an embryo has formed, it has the potential to become either male or female. Hair can be present around the nipples in both males and females. Nipples can be hairy.Īccording to Planned Parenthood, it is normal to have hairs around the nipples. The authors concluded that using a topical formulation that stimulates the nipples 30 minutes before sexual activity can improve orgasmic satisfaction, strength, and pleasure.Īlthough male breasts are less well-studied, a 2017 article states that nipples are an erogenous zone for males. The nipples can be an erogenous zone for both sexes.Īccording to a 2020 article, nipple stimulation plays an important role in the sexual satisfaction of about 80% of females. Share on Pinterest Nipples come in many shapes, colors, and sizes, and they can change shape during pregnancy.
