Andrew Huberman· PhD
but we do get concerned when there's a change in your period or we get concerned when people have what I like to say is irregularly regular periods because what you'll see textbooks tell you is that your periods could be as short short as 21 days as long as 35 days and that can all be normal but people will hop between them and they'll have one cycle that is 24 days in length from day one to the last day before the next day one then the next cycle is 32 and then it's 26 and then it's 34 and that's not normal that's too irregular and that can be a sign that something is not communicating correctly within your reproductive hormones