Figure 1: Diagram depicting the uterus throughout an uncomplicated puerperium. (a) Days 1 to 3: The uterus is retroverted. The cavity appears as a white line in the upper segment, and the lower segment/ cervical region is expanded with fluid and solid components. (b) Day 7: The uterus is axial. Copious fluid or mixed components are visible within the whole cavity. (c) Day 14: The uterus is anteverted and the cavity resembles the findings of those at day 7. (d) Days 28 to 56: The uterine size is much decreased. The cavity is empty and appears as a thin white line [12].