Everyone's period is a little weird right now.

By Taylyn Washington-Harmon
May 14, 2020
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We get it, living in a pandemic can really feel like the sky is falling. The last thing you need is a late period, especially if you’re not even sexually active. So what’s the culprit: Hormones? Stress? Less-than-optimal eating habits? (I’m digging through a bag of kettle chips as I write this.) To find out, I talked to doctors about how stress, especially the kind we're going through during the coronavirus pandemic, can affect your period.

What stress does to your period

Think your uterus rules all when it comes to your period? It actually comes down to the brain-uterus connection. A region of the brain called the hypothalamus sends hormones to another part of the brain called the pituitary gland. These hormones signal the brain to release the hormones responsible for stimulating your ovaries...which in turn tell your uterus to menstruate. Cortisol, a stress hormone also made by your brain, can interfere with that—resulting in a delayed, missed, or even painful period. 

“If we're physically stressed, we're showing that by not sleeping well, not eating well, or not exercising as much,” Sherry Ross, ob-gyn and author of She-ology: The Definitive Guide to Women’s Intimate Health, tells Health. If your system is producing more cortisol than usual because of these responses to ongoing stress, that can "create abnormalities," says Dr. Ross, potentially resulting in irregular or MIA menstruation.

“Cortisol affects our reproductive hormones by interfering with the feedback cycles that creates an imbalance of those necessary period hormones like estrogen and progesterone,” Christine Greves, a Florida-based ob-gyn, tells Health. While cortisol itself isn’t all bad, too much cortisol can throw bodily functions, like menstruation, out of whack. The higher your cortisol levels, the greater the likelihood of menstrual weirdness.

A missing period is one result of this broken hormone feedback cycle, and irregular periods are another. Irregular periods affect between 2%-5% of those who menstruate, according to a 2015 study in the Journal of Clinical and Diagnostic Research. The study found a correlation between perceived stress level and menstrual irregularities; study subjects who rated their stress levels as higher were less likely to have regular (aka, once a month) periods.

While no studies have been published focusing on the effects of a pandemic on menstruation, it makes sense that the health, financial, and family pressures so many people are experiencing right now count as psychological stress...the kind that can do a number on menstruation.

How can you control your stress response and keep cortisol levels down? Look to stress-reducing activities like meditation of light exercise. “We can't reset our cycles without managing ourselves in a way that's more balanced and similar to what it was like before the stress took over,” says Dr. Ross. 

What to do if your period is late

If your periods are not happening at their normally expected times or are missing completely, and you're pretty sure quarantine stress is to blame, consider checking with your doctor to be sure. Remember, periods go rogue for lots of reasons—it could be meds you're taking, a hyperactive thyroid, or, you guessed it, a possible pregnancy.

“There are other things besides stress that can go into weird periods; significant weight loss or gain can stop your ovulation patterns. A lot of exercise can also screw up the cyclical release pattern,” Mary Jane Minkin, clinical professor of ob-gyn at Yale School of Medicine, tells Health. “The most important thing I can say is ‘don't panic.’ Irregular periods are very common right now, given that we’re all a little stressed out.”

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