Unverified95% confidenceDecision RuleTime unknown
宫颈帽必须由妇科医生进行专业配适(fitting),因为帽体需要精确贴合宫颈直径和阴道穹窿深度,自行凭想象选尺寸会导致移位脱落、避孕失败
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95%
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Long-term
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