Regular periods can vary. If your regular cycle is 28 days and you still have not had your period on day 29, your period is officially considered late. Likewise, if your regular cycle is 32 days and you still have not menstruated on day 33, this would be late for you.
Either of these two scenarios may technically be late, but should not be an immediate cause for concern. Variations in menses from month to month can occur due to various reasons. Several things can delay your period, from basic lifestyle changes to chronic health conditions. While you may no longer be running from predators, your body is still hardwired to react as if you were. When your stress level peaks, your brain tells your endocrine system to flood your body with hormones that switch on your fight-or-flight mode.
These hormones suppress functions, including those of your reproductive system, that are not essential to escaping an imminent threat. This lack of ovulation , in turn, can delay your period. Extreme increases or decreases in body fat, for example, can lead to a hormonal imbalance that causes your period to come late or stop entirely. When this communication channel is disrupted, hormones can get out of whack. A strenuous exercise regimen can also cause missed periods.
This is most common in those who train for several hours a day. More strenuous workouts can increase hormone release that can affect your menstruation. Periods typically go back to normal as soon as you lessen training intensity or increase your caloric intake. Polycystic ovary syndrome PCOS is a set of symptoms caused by an imbalance of reproductive hormones. What to say and not say to women who struggle to conceive.
By Maria Carter. Comments 1. Sort by: Newest. Newest Oldest. What are the Cause Read More. Load More Comments. Close this dialog window Add a comment. Add your comment Cancel Submit. Close this dialog window Review for. Back to story Comment on this project. Tell us what you think Little is known about what causes this disease, but about five million women in the United States may be affected by PCOS.
Like thyroid dysfunction, PCOS can cause a hormonal imbalance in your body, causing missed periods. The decrease in periods is caused by a decrease in the estrogen hormone. About nine to 14 percent of women in the United States are affected by menstrual irregularities. With the exception of missing your period while on some contraceptives, it is not normal to go without a period for several months and can be harmful to your health.
Visit your physician if your missed periods persist. Media contact: Dee Dee Grays , Facebook 0 Tweet 0. Your body is not a clock, and variation in your menstrual cycle is normal, especially if you are a teenager , breastfeeding or nearing menopause.
Stress , travel , diet, illness and medication including birth control can also affect your cycle length, symptoms and the length and heaviness of your period. Up to 7—9 days of variation cycle-to-cycle is considered normal for adults. With Clue you can view your recent period dates, cycle averages and predictions for your next three cycles.
You are only at risk of pregnancy if you had unprotected penis-vagina sex or had sperm touching your vagina or vulva — during. If you have a regular menstrual cycle for example, your cycle length rarely varies by more than a couple days , then you are only at risk of pregnancy if you had unprotected heterosexual sex or had a high risk of sperm touching your genitals during your fertile window.
You can take a pregnancy test about two weeks after your estimated ovulation day , but the earlier you take a test the less accurate it may be and some brands are more sensitive than others 1. You should probably take a pregnancy test or contact your healthcare provider if your period is nine or more days late.
If you have an irregular cycle i.
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