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Published on: 1/29/2026

What causes lower abdominal pain in Womens?

Lower abdominal pain in women can come from the reproductive organs, digestive tract, urinary system, pregnancy, or muscles. Common causes include menstrual cramps or ovulation; endometriosis, ovarian cysts, or PID; constipation, IBS, gas, or appendicitis; UTIs or kidney stones; early pregnancy changes or ectopic pregnancy; and muscle strain. Seek urgent care for severe or worsening pain, fever, fainting or dizziness, heavy vaginal bleeding, nonstop vomiting, or any pain during pregnancy. There are several factors to consider for your next steps; see below for complete details that can affect what to do and when to talk to a doctor.

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Explanation

Lower abdominal pain in women is very common and can range from mild and short‑lived to severe and ongoing. The lower abdomen includes many organs—such as the uterus, ovaries, bladder, intestines, and nearby muscles—so there are many possible causes. Most are not dangerous, but some can be serious and need medical care.

Below is a clear, balanced guide to what causes abdominal pain in women, using plain language and medically credible information.


Understanding Lower Abdominal Pain

Lower abdominal pain is felt below the belly button. It may be:

  • Sharp or dull
  • Crampy or constant
  • On one side or both sides
  • Mild or severe
  • Short‑term or long‑lasting

The cause often depends on:

  • Age
  • Menstrual cycle
  • Pregnancy status
  • Bowel or bladder symptoms
  • Other health conditions

Common Gynecological Causes

Menstrual Cramps (Dysmenorrhea)

This is one of the most common causes of lower abdominal pain in women.

  • Caused by the uterus contracting during a period
  • Pain may spread to the lower back or thighs
  • Usually starts just before or during menstruation

While uncomfortable, menstrual cramps are generally not dangerous. However, very severe pain should be evaluated.


Ovulation Pain (Mittelschmerz)

Some women feel pain during ovulation, usually mid‑cycle.

  • Usually felt on one side
  • Lasts minutes to a few hours
  • Mild to moderate discomfort

This type of abdominal pain is normal and temporary.


Endometriosis

Endometriosis occurs when tissue similar to the uterine lining grows outside the uterus.

  • Chronic lower abdominal pain
  • Painful periods
  • Pain during sex
  • Fertility issues in some cases

This condition can worsen over time and should be evaluated by a doctor.


Ovarian Cysts

Ovarian cysts are fluid‑filled sacs on the ovaries.

  • Often cause no symptoms
  • May cause dull or sharp abdominal pain
  • Pain may occur on one side

A ruptured or twisted cyst can cause sudden, severe pain and needs urgent medical care.


Pelvic Inflammatory Disease (PID)

PID is an infection of the reproductive organs.

  • Lower abdominal pain
  • Fever
  • Unusual vaginal discharge
  • Pain during sex or urination

This condition can lead to serious complications if untreated and requires prompt medical attention.


Digestive (Gastrointestinal) Causes

Constipation

Constipation is a frequent and often overlooked cause of lower abdominal pain.

  • Cramping or pressure
  • Bloating
  • Fewer bowel movements

Diet changes, fluids, and movement often help.


Irritable Bowel Syndrome (IBS)

IBS is a functional digestive disorder.

  • Cramping abdominal pain
  • Diarrhea, constipation, or both
  • Pain often improves after a bowel movement

IBS is uncomfortable but not life‑threatening.


Gas and Bloating

Trapped gas can cause sharp or crampy pain.

  • Pain may move around
  • Often related to eating habits

This is common and usually harmless.


Appendicitis

Appendicitis usually causes pain that starts near the belly button and moves to the lower right abdomen.

  • Pain worsens over time
  • Nausea or vomiting
  • Fever

This is a medical emergency and requires immediate care.


Urinary Tract Causes

Urinary Tract Infection (UTI)

UTIs are especially common in women.

  • Lower abdominal or pelvic pain
  • Burning with urination
  • Frequent urge to urinate

UTIs are usually easy to treat but should not be ignored.


Kidney Stones

Kidney stones can cause severe abdominal or pelvic pain.

  • Sharp pain that comes in waves
  • Pain may spread to the groin
  • Nausea or blood in urine

Medical evaluation is important, especially for severe pain.


Pregnancy‑Related Causes

Early Pregnancy Changes

Mild lower abdominal pain can occur in early pregnancy due to:

  • Uterine growth
  • Ligament stretching

This is often normal, but pain should always be discussed with a healthcare provider during pregnancy.


Ectopic Pregnancy

This occurs when a pregnancy develops outside the uterus.

  • Sharp or severe abdominal pain
  • Vaginal bleeding
  • Dizziness or fainting

This is life‑threatening and requires emergency care.


Musculoskeletal Causes

Muscle Strain

Strained abdominal or pelvic muscles can cause pain.

  • Pain worsens with movement
  • Often linked to exercise or lifting

This type of abdominal pain usually improves with rest.


Less Common but Serious Causes

  • Bowel obstruction
  • Hernia
  • Gynecologic cancers (rare but important to rule out)

Persistent or worsening pain should always be checked.


When to Seek Medical Care Immediately

Seek urgent help if lower abdominal pain is accompanied by:

  • Severe or worsening pain
  • Fever
  • Fainting or dizziness
  • Heavy vaginal bleeding
  • Vomiting that won't stop
  • Pain during pregnancy

These symptoms may signal a serious or life‑threatening condition.


Helpful First Steps

If you're experiencing lower abdominal pain and want to better understand what might be causing it, a free AI-powered symptom checker can help you identify potential causes and determine whether medical care is needed right away.


Talking to a Doctor

Even though many causes of lower abdominal pain are not dangerous, some are. You should speak to a doctor if:

  • Pain lasts more than a few days
  • Pain interferes with daily life
  • Symptoms keep returning
  • You are unsure what is causing the pain

A doctor can determine whether your abdominal pain is related to digestion, reproductive health, urinary issues, or something more serious.


Final Thoughts

Lower abdominal pain in women has many possible causes, most of which are treatable. Paying attention to patterns, timing, and accompanying symptoms can help guide next steps. While it's important not to panic, it's equally important not to ignore pain that feels severe, unusual, or persistent.

When in doubt, trust your instincts, use reliable tools, and always speak to a doctor about symptoms that could be serious or life‑threatening.

(References)

  • * Low AM, Low CL, Chew ST. Chronic pelvic pain: a comprehensive review for the clinician. Singapore Med J. 2021 Jul;62(7):310-315. doi: 10.11622/smedj.2021087. PMID: 34331002.

  • * Adewumi LN, Elbanna MER, Khan AS. Acute Pelvic Pain. StatPearls. 2024 Jan-. PMID: 30285375.

  • * Koninckx R. Endometriosis. N Engl J Med. 2021 Mar 4;384(9):838-847. doi: 10.1056/NEJMcp1913959. PMID: 33657214.

  • * Al-Sultani NQ, Lee SP, Al-Nahi AA, Khashaba RW. Non-gynecological causes of chronic pelvic pain. Br J Pain. 2022 May;16(2):162-172. doi: 10.1177/20494637211027961. Epub 2021 Jun 30. PMID: 35509740.

  • * Adashek CP, Grewal KL, Hajj GH, Shwayder HA. Evaluation of Acute Pelvic Pain in Women. Obstet Gynecol Clin North Am. 2017 Dec;44(4):501-512. doi: 10.1016/j.ogc.2017.08.001. PMID: 29126480.

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