When does linea niagra disappear?

MummyOfThree💙💙💖 • 💙14/08/08 💙5/02/2012 💖8/12/2018

I'm only 5 days post partum, and cannot remember when my linea nigra went away with my boys. When does it tend to fade? Here's a pic of my baby girl Jazmine 5 days old 🙂