Insertion of the intrauterine device

A young female of child-bearing age was found to have a deep vein thrombus in her right leg. She had been on the birth control pill for at least 6 years. The birth control pills were discontinued and she was treated for the thrombus. Then she was recommended an alternative means of contraception. After insertion of the intrauterine device, she presented to the clinic with vague lower abdominal pain and cramps. Her abdominal exam was benign. Her pelvic x-ray is shown below. Which of the following is not a risk factor for the condition shown on the x-ray?


A. Multigravida
B. History of Sexually transmitted disease
C. Indication (ie higher for contraception than menorrhagia)
D. Level of physician experience