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24 April 2015 @ 08:46 pm
My apologies for posting so much, but I have yet another question that Google hasn't given me any answers to. What exactly are the "antibacterial properties" of menstrual cups that I always hear about? Considering that the vagina is populated with bacteria, if the cup were antibacterial, wouldn't this be bad news (e.g. yeast infection) for the vagina?
 
calandra_ljcalandra_lj on April 25th, 2015 01:20 am (UTC)
TSS is caused by a certain strain of bacteria; I suppose "antibacterial" just means using a cup won't cause TSS.

Edited at 2015-04-25 01:22 am (UTC)
Serpent: neutralserpent_849 on April 25th, 2015 02:26 am (UTC)
cups are not antibacterial unless you put antibacterial soap etc on them (you shouldn't). but they are not porous and don't give space to bacteria. silicone is inert.

anyone who's used a cup will tell you there's no horrible smell like with disposables. blood just smells like blood unless you leave the cup inside for too long (generally over 12h, although for me it doesn't start to smell badly until like 18h, whereas i've heard from one person who had to reinsert every 10h because it would smell already after 12h).
xquizite_insomxquizite_insom on April 25th, 2015 05:48 am (UTC)
The cups themselves are not antibacterial. Medical grade silicone is inert and discourages microbial growth. Cups made of medical grade silicone share this property with implantable and insert-able medical devices. It basically means that the material will not encourage organisms to proliferate. This also means it will not alter your vaginal flora. The cup will not kill any organisms but it will not serve as a petri dish either. I believe TPE shares similar properties.
Serpent: neutralserpent_849 on April 26th, 2015 06:40 pm (UTC)
tpe does seem somewhat more prone to becoming porous with time. although this only happened to the meluna i've once left in the sun, not knowing the instructions.

but yeah, still nothing like the surface of pads or tampons.