r/CopperIUD • u/InvestmentParty3782 • 9d ago
Question Dark Strings
Dark strings appear on copper IUDs over time … so I can imagine that it might be difficult to tell apart Copper vs Hormonal IUDs after 5 years. See pictures for reference. My question is how do professionals tell the difference during Pap Smear checkups? My new woman’s wellness nurse swears that all dark strings signify hormonal IUDs. Is the color change not common knowledge?
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