[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

追求避孕高有效性 vs 免激素/可复用便利:宫颈帽是无激素、可复用、性交前放置的方案,但有效率低于避孕药和宫内节育器,适合不能用激素且能接受较高失败率的人群

1
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80%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/193940
API
curl https://kongchang.com/api/v1/knowledge/claims/193940
MCP
get_claim(id=193940)