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What causes the black line (linea nigra) on my belly during pregnancy?

What causes the black line (linea nigra) on my belly during pregnancy?

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Pregnancy hormones are behind the appearance of the linea nigra (Latin for “black line”). The condition is the darkening of your linea alba, the “white” or “colorless line” of skin you’d probably never noticed that runs between your belly button and your pelvis.

In fact, the skin all over your body becomes hyperpigmented, or darkened, during pregnancy (you might also notice the skin on your face darkening too, known as melanoma or the “mask of pregnancy”as well as newly darker areolas). The linea nigra is likely to be more pronounced if you have darker skin.

The linea nigra should gradually fade all on its own a few months after your baby is born.