Linea nigra is one of the most common signs of pregnancy, represented by a dark vertical line running through the belly. This brownish-looking line is generally around a centimeter wide and runs from the pubis to the umbilicus, while it ...

Linea nigra is one of the most common signs of pregnancy, represented by a dark vertical line running through the belly. This brownish-looking line is generally around a centimeter wide and runs from the pubis to the umbilicus, while it ...