如何正确计算什么时候排卵日

来自任飞飞医生的专业解答，快打开看看是否又获得了新的知识点～

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快速问医生

病情分析：如果要是平常都是30天来一次月经的话，一般排卵期大概是在第16天，如果七号来月经的话，那排卵期应该就在今天23号，但是一般来说，在23后前后前后三都比较危险的，因为精子能存活72小时，完成能存活24小时

任飞飞

主治医师

提示：本内容仅作参考，不能代替面诊，如有不适请尽快线下就医

问题描述：连续四个月月经周期为30天，本月7号来月经，排卵日到底是哪一天？