Figure 1

(A) Brief protocols of the three groups are demonstrated. (B) Midline laparotomy is performed and a copper wire with the length of 5 mm and a diameter of 0.3 mm is implanted into the right uterine horn (arrow) in a 8-week-old ICR female mouse for 21 days. (C) The location of copper wire is confirmed with computed tomography (arrowhead). (D) The right uterine horn is dissected and cut open (E) and the endometrium is obtained by curettage.