Hormones Can Play a Role
Hormonal changes—such as those during ovulation, pregnancy, or while using birth control—can affect vaginal discharge. During certain phases of the menstrual cycle, discharge becomes more acidic, increasing the likelihood of fabric bleaching.
Hygiene Myths to Avoid
Doctors emphasize that this discoloration:
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❌ Does NOT mean you are “dirty”
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❌ Does NOT require internal washing or douching
In fact, douching can disrupt the natural balance and increase the risk of infections.
How to Protect Your Underwear
If the bleaching bothers you, simple steps can help:
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Wear lighter-colored cotton underwear
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Change underwear daily
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Avoid harsh soaps and scented products in the intimate area
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Wash underwear promptly after use
The Bottom Line
A bleach-like patch on your underwear is most often caused by normal, healthy vaginal discharge. It’s a common and natural occurrence that many women experience. As long as there are no unusual symptoms, it’s usually nothing to worry about.
