Dark line (pregnancy line)

China πŸ‘©πŸ½πŸ‘¦πŸ½πŸ‘¦πŸ½πŸ‘¦πŸ½πŸ‘§πŸΎπŸ‘ΌπŸ½πŸŒˆπŸ‘ΆπŸ½ β€’ Mommy of 7...

So I’m only 4w3d and today I notice that I have that dark line going up my stomach already. Never noticed it this soon with any other of my pregnancies. Is anyone else experiencing this this early???