吃完紧急避孕药后月经只来了一天

来自班艳丽医生的专业解答，快打开看看是否又获得了新的知识点～

https://m.baidu.com/bd_page_type=1/t=mip/tc?ct=54&lid=27477912045905&module=mip&cst=91&clk_extra=%7B%22pageid%22%3A%2227477912045905%22%2C%22searchID%22%3A%2227477912045905%22%2C%22nPageID%22%3A%2227477912045905%22%2C%22mip_logid%22%3A%2227477912045905%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%2F86358227%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/t=mip/tc?ct=54&lid=27477912045905&module=mip&cst=112&clk_extra=%7B%22pageid%22%3A%2227477912045905%22%2C%22searchID%22%3A%2227477912045905%22%2C%22nPageID%22%3A%2227477912045905%22%2C%22mip_logid%22%3A%2227477912045905%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%2F86358227%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，昨天是6月5号，如果6月5号来月经的话，排卵期应该在5月21号左右，可以观察一下看看，如果量还不增多，可以用验孕棒试一下，必要的成功率只有80%，只要是来的是月经就说明是避孕成功

班艳丽

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17号同房后吃了紧急避孕药，本来是昨天应该来大姨妈，但是昨天只来了一天，请问是避孕成功吗？