Menstrual cup - Wikipedia
https://en.wikipedia.org/wiki/Menstrual_cup
OverviewTerminologyUseSafetySize, shape, and flexibilityMaterials and colorManufacturingRegulationA menstrual cup is a menstrual hygiene device which is inserted into the vagina during menstruation. Its purpose is to collect menstrual fluid (blood from the uterine lining mixed with other fluids). Menstrual cups are made of elastomers (silicone rubbers, latex rubbers, or thermoplastic rubbers). A properly-fitting menstrual cup seals against the vaginal walls, so tilting and inverting the body …
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