Where do they appear?
These spots usually appear in normally pigmented areas such as nipples, areolae, freckles, the linea alba (between the umbilicus and pubis), armpits, and vulvar ano.También often appear in his face, upper lip, nose and front.
These spots usually disappear after a few months after childbirth, although sometimes they do not completely.

What is the dark line that forms from the pelvis to the navel in pregnancy?
That dark line is the linea alba is due to hormonal changes of pregnancy,
but can also be reached in other situations, such as making some
contraception. The appearance of it carries no risk and is totally reversible after the end of pregnancy or lactation period

How can I prevent mold and mildew?
While you can not stop this hyperpigmentation, help prevent overexposure to sunlight, avoiding the hours from 10 to 16 hours. And it’s recommended to use sunscreen.

Can I use bleaches?
In the case of wanting to hide or disguise some of these stains, cosmetics are useful, but should never be used depigmentantes agents, unless medically indicated, and once the pregnancy. Hyperpigmentation is attenuated or disappears several months after birth.