linea nigra
Sign in to savedark vertical line that appears on the abdomen during pregnancy
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Encyclopedic overview
Linea nigra as seen in a pregnant woman
Linea nigra (Latin for "black line"), colloquially known as the pregnancy line, manifests as a linear area of heightened pigmentation frequently observed on the abdominal region during pregnancy. Typically spanning approximately one centimeter (0.4 in) in width, this brownish streak extends vertically along the midline of the abdomen, spanning from the pubis to the umbilicus. Variably, it may traverse from the pubis to the upper abdominal region.
Excerpted from Wikipedia’s “linea nigra” article, available under the CC BY-SA 4.0 licence.