HealthDay News – The permanent birth control device Essure is associated with higher rates of chronic lower abdominal or pelvic pain and abnormal uterine bleeding compared with tubal ligation, according to interim results of a postmarket study ordered by the US Food and Drug Administration.

The researchers compared Essure and tubal ligation among more than 1100 women across the United States and found that rates of chronic lower abdominal or pelvic pain were just over 9 percent in the Essure group and 4.5% in the tubal ligation group, and rates of abnormal uterine bleeding were 16.3% in the Essure group and 10.2% in the tubal ligation group, CNN reported.

The Essure group had higher rates of gynecologic operations – including surgery to remove the device – than the tubal ligation group, while pregnancy rates were similar in the two groups, according to a statement from Terri Cornelison, MD, director of the FDA Health of Women Program.

In 2018, Essure maker Bayer pulled the device from the US market due to concerns about side effects. The FDA told Bayer to extend a postmarket surveillance study on Essure from three to five years, CNN reported. The study is ongoing, and patients are still completing one-year follow-up visits, the FDA said.

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“As the FDA itself notes: ‘This study is ongoing and the results are interim. Final analyses of end points will not be completed until the study concludes’ in 2025. It is therefore too early to draw any conclusions,” Bayer said in a statement, CNN reported. “The results of several large, real-world observational studies comparing patients with Essure to patients who have had tubal ligations consistently show that Essure’s safety profile is similar to that of tubal ligation.”

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