Advice

Dude, where's my period?

Sarah
Question

I am 14-years-old and not sexually active. I have had my period for about 1 1/2 years now and to this point it has always been regular until now. I am 5 days late, and I don't know why. Should I be concerned?

Generally, people who get periods can expect the unexpected with their menstrual⁠ cycles for the first 5 years of having them. Even then, it’s still common for young people to have erratic cycling into their early twenties. That means you’re normal. Even if your period⁠ has been totally well-behaved before, it can turn at any time for the next few years. The simple explanation is that with all the developmental changes going on in your body right now, your body is still trying to get accustomed to and make sense of all the surges of follicle-stimulating hormone, luteinizing hormone, estrogen⁠, progesterone⁠ and every which way gonadotrophin your body is churning out⁠ right now. Don’t worry, I won’t quiz you on the names.

If your period vanishes for several months, by all means mention it to your physician. But a five-day delay is nothing to worry about for the moment.

For more information, read M.I.A or, Dude, Where’s My Period?

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    • Heather Corinna

    It’d actually be pretty atypical for a regular period to fall on the same numeric dates for a long time. Let me explain why that is.

    The number of days in each calendar month is not the same: it varies from month to month. Menstrual cycles, on the other hand, when they’re regular, are a given number…