Case closed, I think At the ultrasound, the doctor said that I have a progesterone deficiency and that that is the reason why my period was lighter than usual.

This is the sixth day since I've been having this brown discharge. It started 20 days after my last period. At first, it was not that much, the second and third day it became heavier and it had a dark brown color, almost black. That third day, I saw a spot of red blood, so I thought maybe I was gett...