上个月来例假是20号

来自李燚医生的专业解答，快打开看看是否又获得了新的知识点～

https://m.baidu.com/bd_page_type=1/baiduid=C6D3EF51FB67859A523C22BE4851830B/t=mip/tc?ct=54&lid=33907811625262&module=mip&cst=91&clk_extra=%7B%22pageid%22%3A%2233907811625262%22%2C%22searchID%22%3A%2233907811625262%22%2C%22nPageID%22%3A%2233907811625262%22%2C%22mip_logid%22%3A%2233907811625262%22%2C%22masterpage_type%22%3A%22self%22%2C%22originalUrl%22%3A%22https%3A%5C%2F%5C%2Fm.120ask.com%5C%2Faskg%5C%2Fmip_detail%5C%2F97375429%22%2C%22srcid%22%3A%22landingpage%22%2C%22name%22%3A%22A%5Cu533a%5Cu6b63%5Cu6587%5Cu6298%5Cu53e0%22%2C%22id%22%3A%22expand_content%22%7D&tcreq4log=1

https://m.baidu.com/bd_page_type=1/baiduid=C6D3EF51FB67859A523C22BE4851830B/t=mip/tc?ct=54&lid=33907811625262&module=mip&cst=112&clk_extra=%7B%22pageid%22%3A%2233907811625262%22%2C%22searchID%22%3A%2233907811625262%22%2C%22nPageID%22%3A%2233907811625262%22%2C%22mip_logid%22%3A%2233907811625262%22%2C%22masterpage_type%22%3A%22self%22%2C%22originalUrl%22%3A%22https%3A%5C%2F%5C%2Fm.120ask.com%5C%2Faskg%5C%2Fmip_detail%5C%2F97375429%22%2C%22srcid%22%3A%22landingpage%22%2C%22name%22%3A%22A%5Cu533a%5Cu6b63%5Cu6587%5Cu4e0b%5Cu65b9%5Cu4e2d%5Cu95f4%5Cu5c55%5Cu5f00%5Cu6309%5Cu94ae%22%2C%22id%22%3A%22new_expand_content%22%7D&tcreq4log=1

快速问医生

病情分析：你好，排卵期在两次月经中间。27号不是排卵期。排卵期在4号左右。怀孕的可能性不大。月经前七天，月经后八天，这15天之内。如果同房怀孕的可能性不大。希望能帮到你，祝你开心愉快。

李燚

副主任医师

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：上个月来例假是20号，这个月推迟了一天，21号来的，那排卵期是哪天？怀孕机率大嘛？？这个月的27号是排卵期吗？排卵期一般是有几天？