一次性生活多长时间为正常？-名医在线

来自腰向颖医生的专业解答，快打开看看是否又获得了新的知识点～

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名医在线网

病情分析：做爱一次多少时间正常 2及2分钟就算正常. 早泄是指男子在阴茎勃起后，未进入阴道或刚刚进入而尚未抽动时便已射精，阴茎也自然随之疲软并进入不应期的现象。

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问题描述：一次性生活多长时间为正常？