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what to do when periods are late

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A late period is often caused by pregnancy, stress, weight changes, heavy exercise, illness, or hormonal issues like PCOS or thyroid problems. If there’s any chance of pregnancy, take a home pregnancy test first; if the result is negative and your period still doesn’t come, watch for other symptoms and consider seeing a clinician.

What to do

  1. Take a pregnancy test if you’ve had sex and pregnancy is possible. A late period is one of the first signs of pregnancy, but it is not the only reason periods can be delayed.
  1. Check for common triggers like stress, recent travel, poor sleep, big changes in diet or weight, intense workouts, breastfeeding, or changes in birth control. These are all known causes of late periods.
  1. Give it a little time if your cycle is usually irregular or you’re only a few days late, since short delays can happen.
  1. Support your body with regular meals, enough rest, hydration, and gentler exercise if you’ve been overtraining or run down. Some sources also suggest managing stress and avoiding extreme diets.
  1. Book a medical visit if the delay keeps happening or you have symptoms that point to a hormonal issue. Doctors may check progesterone, prolactin, thyroid function, or other causes depending on your history.

When to get checked

Seek medical advice sooner if you have severe pelvic pain, very heavy bleeding, bleeding between periods, major weight changes, extreme fatigue, hair growth or hair loss, or periods that are repeatedly late. Those signs can suggest a condition that needs treatment.

Common causes

  • Pregnancy.
  • Stress.
  • PCOS or other hormone imbalance.
  • Thyroid problems.
  • Weight loss, weight gain, or restrictive eating.
  • Excessive exercise.
  • Perimenopause, especially in the 40s or 50s.

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