Ill-fitting menstrual cup may cause health complications

Doctors have reported a rare case where the use of a menstrual cup was linked to kidney problems.

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The patient, in her 30s, had been experiencing intermittent pelvic pain and blood in her urine for months, but had not linked the symptoms to the menstrual cup, which is used to catch monthly blood flow.

Although exceedingly rare, a poorly positioned cup inside the vaginal passage can press on other nearby structures, such as ureters - tubes carrying urine to the bladder, according to Danish doctors quoted in the British Medical Journal.

Selecting the appropriate size cup is important, as well as inserting it properly, doctors have stressed.

The patient made a complete recovery, but doctors have warned: "Correct positioning, along with choosing the correct cup shape and size, is important to prevent negative effects on the upper urinary tract.

https://www.bbc.com/news/articles/c5yv98r4d4eo

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