(A,B): A 36-year-old patient with placenta increta, receiving manual stripping of the placenta along with the amount of IBL of up to 5000 mL. The red region shows the VOI of delineation including the placenta and uterus; Weeks of gestation at time of MRI examination: 35.4/10 points; Placenta previa: Complete/42 points; Rad score: 0.64/58 points; Total score: 110 points; The risk of manual stripping placenta: 0.9; Number of CS: 1/48 points; Placenta previa: Complete/88 points; Rad score: 3.2/100 points; Total score: 236 points; The risk of the amount of IBL more than 1000 mL: >0.9; (C,D): A 23-year-old patient with placenta accreta, who underwent active separation of the placenta along with the amount of IBL of 350 mL. The red region shows the VOI of delineation including the placenta and uterus; Weeks of gestation at time of MRI examination: 30.9/20 points; Placenta previa: Partial/28 points; Rad score: −2.4/0 points; Total score: 48 points; The risk of manual stripping placenta: 0.2; Number of CS: 0/0 points; Placenta previa: Partial/60 points; Rad score: −0.76/10 points; Total score: 70 points; The risk of the amount of IBL more than 1000 mL: 0.15.