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What Causes Menstrual Cramps?

Menstrual cramps affect millions of people every month. Understanding what causes menstrual cramps can help you find relief and know when to see a doctor.

The Main Cause: Prostaglandins

Your uterus contracts during your period to shed its lining. Chemicals called prostaglandins trigger these contractions. Higher levels of prostaglandins lead to stronger contractions and more pain.

When the uterus contracts too strongly, it can press against nearby blood vessels. This briefly cuts off oxygen to the uterus, causing pain and cramping. Prostaglandin levels are highest on the first day of your period, which is why cramps are often worst at the start.

Two Types of Period Pain

Primary dysmenorrhea is the most common type. It's caused by too many prostaglandins and usually starts in your teens after your first period. This type often improves with age and after childbirth.

Secondary dysmenorrhea is caused by an underlying health condition. The pain tends to get worse over time and may last longer than normal cramps.

Conditions That Cause Severe Cramps

Several conditions can make period pain worse. Endometriosis occurs when tissue similar to the uterine lining grows outside the uterus. Uterine fibroids are noncancerous growths in the uterine wall. Adenomyosis happens when uterine tissue grows into the muscle wall. Pelvic inflammatory disease is an infection of the reproductive organs.

What Helps Cramps Menstrual Pain

NSAIDs like ibuprofen work by reducing prostaglandin levels in your body. For best results, start taking them 1-2 days before your period begins. Hormonal birth control methods can also reduce period pain by thinning the uterine lining.

Heat therapy, such as a heating pad on your lower belly, can ease muscle tension. Regular exercise and relaxation techniques may also provide relief.

When to See a Doctor

Talk to your doctor if over-the-counter pain relievers don't help, your cramps get worse over time, or pain affects your daily activities. These could be signs of an underlying condition that needs treatment.

Frequently Asked Questions

Why are my period cramps so bad on the first day?accordion item active state indicator

Prostaglandin levels are highest on the first day of your period. As bleeding continues and the uterine lining sheds, prostaglandin levels drop and pain usually lessens.

Do menstrual cramps get better with age?accordion item active state indicator

Primary dysmenorrhea often improves with age and tends to lessen after giving birth. However, secondary dysmenorrhea caused by conditions like endometriosis may get worse over time without treatment.

What helps with menstrual cramps fast?accordion item active state indicator

NSAIDs like ibuprofen provide quick relief by blocking prostaglandin production. Applying heat to your lower belly can also help relax uterine muscles and ease pain within minutes.

When should I worry about period cramps?accordion item active state indicator

See a doctor if cramps don't respond to over-the-counter pain relievers, get worse over time, interfere with daily activities, or are accompanied by heavy bleeding or fever. These may indicate an underlying condition.

References

  1. Menstrual cramps - Symptoms & causes. Available from: https://www.mayoclinic.org/diseases-conditions/menstrual-cramps/symptoms-causes/syc-20374938
  2. Dysmenorrhea: Painful Periods. Available from: https://www.acog.org/womens-health/faqs/dysmenorrhea-painful-periods
  3. Dysmenorrhea: Menstrual Cramps, Causes & Treatments. Available from: https://my.clevelandclinic.org/health/diseases/4148-dysmenorrhea
  4. Period Pain | Menstrual Cramps. Available from: https://medlineplus.gov/periodpain.html

Medical Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare provider before starting any new skincare treatment, especially if you have underlying health conditions, are pregnant, or are taking medications.

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