A recent case where a user experienced kidney problems due to misaligned menstrual cup usage has led doctors to emphasize the importance of selecting the right size and ensuring proper positioning to avoid complications in the urinary tract.
Caution Advised for Menstrual Cup Users: Misalignment Risks Highlighted by Doctors

Caution Advised for Menstrual Cup Users: Misalignment Risks Highlighted by Doctors
Medical professionals warn of potential health issues linked to improper use of menstrual cups, especially concerning urinary complications.
Doctors are raising alarms about possible health risks associated with menstrual cups following a case where a user developed temporary kidney issues due to improper placement. The affected woman, in her 30s, had been suffering from intermittent pelvic pain and blood in her urine, which she failed to connect with the usage of her menstrual cup—a device designed for collecting menstrual fluid. According to Danish medical professionals cited in the British Medical Journal, while such incidents are rare, an improperly positioned cup can exert pressure on surrounding structures, like ureters—tubes that transport urine to the bladder.
Health experts highlight that accurate sizing and placement of menstrual cups are crucial to avoid negative health effects. The cups, typically made from soft silicone or rubber, are favored for their reusability and sustainability compared to traditional feminine hygiene products. They can hold up to 20-30ml of fluid and must be emptied every four to eight hours, depending on the flow.
The availability of various sizes and designs means users need to find the cup that best fits their body. Smaller cups exist for younger women and those who have not given birth. However, new users often face challenges, especially during removal; many report difficulties on their first try. Removal should not involve pulling on the stem alone, but rather squeezing the base of the cup to break the suction seal, as advised by pelvic health expert Dr. Kate Lough.
Despite some difficulties, Dr. Lough reassures that when used correctly, menstrual cups are safe and should not cause discomfort. She encourages users to take time to adjust to the product, as proper fit varies among individuals. Women with contraceptive coils must also exercise caution, as suction could potentially displace the device, necessitating medical consultation.
For those unfamiliar, menstrual discs offer a higher placement alternative to cups, sitting just below the cervix. As usage of menstrual cups continues to rise, education on their proper use remains paramount to safeguard women's health.