Do you need to throw out your underwear every 6-9 months

A viral TikTok video suggests that people should trash their underwear after a certain time period.
A viral TikTok claims you should throw out your underwear every six to nine months. Here's what ob-gyns have to say about this supposed rule.

How often should you replace your underwear?

How—And How Not—To Wear Your Underwear

How To Tighten Bra Straps The Right Way – WAMA Underwear

It's been revealed exactly how often you should chuck out your undies - and we bet you're going to be shocked

Pack of 3 5 6 9 10 12 15 Mens Briefs Slips Underwear Pants Hipster Cotton XS-2XL

How often should you change your underwear? Experts react to 9-month rule

Signs That You Should Throw Your Old Underwear Out – Manmade

How Often Should You Buy New Bras? – Y.O.U underwear

How Often Should You Buy New Underwear? – Awkward Essentials