Seeing blood after a bowel movement during pregnancy can be frightening. A small amount of bright-red blood on toilet paper or on the outside of the stool commonly comes from hemorrhoids or an anal fissure, particularly when constipation, hard stool, straining, anal itching, swelling, or pain is present.
Rectal bleeding is common during pregnancy, but it should not automatically be considered normal or assumed to be hemorrhoids. Persistent, recurrent, heavy, dark, or unexplained bleeding deserves medical evaluation.
Important: If you cannot tell whether the blood is coming from the rectum or vagina, contact your obstetric care team promptly. Vaginal bleeding during pregnancy requires obstetric guidance and should not be evaluated as a colorectal symptom alone.
Seek urgent medical care for heavy or continuing bleeding, blood clots, black or tarry stool, severe abdominal or rectal pain, fever, fainting, marked weakness, shortness of breath, or bleeding accompanied by rapidly worsening symptoms.
This page provides general education and does not replace an examination or advice from your obstetric clinician.
Patients in Phoenix, Scottsdale, Glendale, and nearby Arizona communities may request a colorectal evaluation or call 602-932-5660.
Rectal bleeding can occur during pregnancy, but it is better described as common rather than normal. Pregnancy can contribute to constipation, harder stool, and increased pressure in the pelvic veins. These changes may lead to hemorrhoids or an anal fissure, both of which can cause bright-red bleeding.
The appearance of the blood, associated symptoms, and whether the bleeding continues help determine how quickly it should be evaluated. Even when the cause seems minor, tell your healthcare professional if bleeding persists, returns, or is difficult to explain.
Blood noticed in the toilet or while wiping may come from the rectum, vagina, or urinary tract. The source is not always obvious.
Rectal bleeding is more likely when blood:
Do not rely on these clues when the source remains uncertain. Contact your obstetric care team promptly if blood may be vaginal, occurs independently of a bowel movement, or is accompanied by pelvic or abdominal symptoms.
The bleeding pattern can provide useful clues, but it cannot confirm the diagnosis.
| Bleeding pattern or symptom | Possible explanation | Recommended action |
|---|---|---|
| Small amount of bright-red blood on toilet paper after straining | Hemorrhoid or anal fissure | Discuss with a clinician if it persists, recurs, or is painful |
| Bright-red blood with sharp or tearing pain during a bowel movement | Anal fissure | Arrange an examination if pain or bleeding continues |
| Bright-red blood with itching, swelling, pressure, or a lump | Hemorrhoid | Seek evaluation if symptoms are severe, recurrent, or worsening |
| Blood mixed into the stool | Bleeding may originate higher inside the rectum or colon | Medical evaluation is recommended |
| Blood with diarrhea, mucus, urgency, fever, or abdominal pain | Infection, proctitis, or inflammatory bowel disease may be possible | Contact a healthcare professional promptly |
| Dark-red, maroon, black, or tarry stool | Bleeding may not be from a simple fissure or hemorrhoid | Seek prompt or urgent medical assessment |
| Heavy or continuing bleeding with dizziness, faintness, weakness, or shortness of breath | Significant blood loss or another urgent condition | Seek emergency care |
Hemorrhoids are swollen blood vessels and supporting tissue in or around the anus. Pregnancy-related pelvic pressure, constipation, and straining can contribute to their development or make existing hemorrhoids more noticeable.
Possible symptoms include:
Uncomplicated internal hemorrhoids frequently bleed without severe pain. Sudden severe pain with a tender external lump may indicate a thrombosed external hemorrhoid. Constant worsening pain, fever, warmth, or pus may indicate an abscess rather than hemorrhoids.
An anal fissure is a small tear in the lining of the anal canal, often associated with hard stool, constipation, diarrhea, or local trauma.
Typical features include:
Fissures and hemorrhoids can occur together, and symptoms alone may not reliably distinguish them.
Constipation can cause bleeding by contributing to a fissure or irritating hemorrhoidal tissue. Straining and prolonged toilet sitting increase pressure around the anus. A clinician can recommend a pregnancy-appropriate plan for fiber, fluids, activity, and medication when needed.
Frequent loose stool, excessive wiping, fragranced wipes, soap, and moisture can inflame the skin and aggravate hemorrhoids or a fissure. Gentle cleaning and treatment of the underlying diarrhea may be necessary.
Not every episode of rectal bleeding during pregnancy is caused by hemorrhoids. Other possibilities include:
These causes are less typical than hemorrhoids or fissures, but persistent bleeding, blood mixed with stool, bowel-habit changes, abdominal symptoms, fever, unexplained weight loss, or a personal or family history of colorectal disease requires appropriate evaluation.
Contact your obstetric clinician, primary-care clinician, or colorectal specialist when:
Pregnancy should not be a reason to ignore ongoing gastrointestinal bleeding. The evaluating clinicians can decide which examination or test is appropriate and coordinate care with the obstetric team.
Seek urgent or emergency care for:
If you believe the bleeding may be vaginal rather than rectal, follow the urgent-care instructions provided by your obstetric clinician.
When symptoms are mild and there are no warning signs, treatment generally focuses on preventing hard stool and reducing irritation.
Increase dietary fiber gradually through fruits, vegetables, legumes, and whole grains. A sudden large increase can cause bloating, so individualized guidance may be helpful.
Drink adequate fluids unless your healthcare professional has advised fluid restriction.
Remain physically active as permitted by your obstetric clinician. Activity may support bowel regularity.
A warm sitz bath may temporarily reduce discomfort. Clean gently with water, pat dry, and avoid fragranced wipes, harsh soap, or aggressive scrubbing.
Ask your obstetric clinician before using a stool softener, laxative, suppository, hemorrhoid cream, steroid, anesthetic, or other medication during pregnancy. A product being sold without a prescription does not automatically make it appropriate for every pregnancy.
Do not attempt to puncture, squeeze, or drain a painful lump.
Evaluation begins by confirming the likely source of bleeding and reviewing its color, amount, duration, and relationship to bowel movements. The clinician may ask about constipation, diarrhea, anal pain, abdominal symptoms, previous hemorrhoids or fissures, inflammatory bowel disease, medications, and family history.
Depending on the situation, evaluation may include:
Not every patient needs every test. The obstetric and evaluating clinicians should balance the urgency of the symptoms, stage of pregnancy, and benefits and risks of any proposed procedure.
Learn more about how rectal bleeding is evaluated.
It can occur, particularly with constipation, hemorrhoids, or an anal fissure. A small amount on toilet paper may come from tissue near the anal opening, but persistent, recurrent, painful, or unexplained bleeding should be evaluated.
Constipation can contribute indirectly by producing hard stool, straining, an anal fissure, or irritation of hemorrhoids. Blood should not be attributed to constipation without considering the actual source.
Hemorrhoids may cause bright-red bleeding with itching, swelling, pressure, or a lump. A fissure more often causes sharp tearing pain during a bowel movement followed by burning. The conditions can coexist, so examination is the most reliable way to distinguish them.
Many cases come from hemorrhoids or a fissure, but the importance depends on the amount, duration, source, and associated symptoms. Heavy bleeding, black stool, weakness, dizziness, fever, or severe pain requires prompt assessment.
Ask your obstetric clinician before using a hemorrhoid cream, suppository, steroid, anesthetic, stool softener, laxative, or herbal product. The appropriate treatment depends on the diagnosis, pregnancy, medications, and medical history.
Start with your obstetric clinician when the source is uncertain or vaginal bleeding is possible. Clearly rectal bleeding that persists, recurs, is painful, or does not respond to conservative care may require evaluation by a gastroenterologist or colon and rectal surgeon.
Persistent or recurrent rectal bleeding during pregnancy deserves a clear diagnosis rather than repeated self-treatment. Dr. Aisha Akhtar, a board-certified colon and rectal surgeon, evaluates hemorrhoids, fissures, rectal inflammation, and other colorectal causes of bleeding in coordination with the patient’s obstetric care when appropriate.
Serving Phoenix, Scottsdale, Glendale, and surrounding Arizona communities.
Request an appointment or call 602-932-5660.
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Dr. Aisha Akhtar, MD evaluates rectal bleeding and related anorectal symptoms with a focus on accurate diagnosis, evidence-based treatment, and timely exclusion of serious underlying disease.
“ The whole office was wonderful. Dr Akhtar was excellent. She was thorough. She explained things extremely well. She answered all my questions. I... The whole office was wonderful. Dr Akhtar was excellent. She was thorough. She explained things extremely well. She answered all my questions. I never felt like she was rushing my exam. ”
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