Development process of nipple

Girls' nipples will bulge alone before puberty.

Mature nipple

When nipples reach maturity, most people's nipples are protruding outward.

Nipples during pregnancy

Only after pregnancy, the breasts and nipples are affected by estrogen and progesterone in pregnant women, and mammary vesicles and mammary ducts proliferate, and nipples gradually increase and become more prominent, so as to prepare for feeding children.

Characteristics of normal nipple

Normal nipples are cylindrical protrusions with holes, with a diameter of about 1 cm and a height of about 1.5-2 cm, and are dark.

Don't use rhyming show

Don't use rhyme show, it can't shrink nipples.