In that case, the F.D.A. did step in and recommend that the devices not be used “in the vast majority of women” undergoing fibroid surgery. Their use fell off sharply. Morcellation is not used in surgery for cervical cancer. When minimally invasive surgery is performed, the uterus is removed intact through the vagina. The study included 631 women and 33 hospitals in the United States, Colombia, Brazil, Peru, Italy, China, Australia and Mexico. The results affect a relatively small number of women in the United States, where screening has reduced the incidence of cervical cancer to about 13,000 cases a year, with about 4,000 deaths. But worldwide, cervical cancer is the fourth most common malignancy and cause of cancer death in women, with 570,000 cases a year and 270,000 deaths. The disease is caused in nearly all cases by the human papillomavirus, HPV, an extremely common, sexually transmitted virus. In most people, the immune system clears the virus and they never knew they were...