Vaginal Bleeding During Bowel Movements: Causes and Concerns - Obstetrics and Gynecology

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Vaginal bleeding during bowel movements?


I usually do not experience bleeding during sexual intercourse and always use condoms.
Sometimes, I do feel a little pain during intercourse.
In early February, I had sexual intercourse with my boyfriend without a condom, but there was no ejaculation inside.
I typically do not take birth control pills.
My menstrual cycle usually starts around the 20th of each month and lasts about seven days.
It is generally regular, although I occasionally experience more severe menstrual cramps.

Starting around February 10th, I noticed bright red blood coming from my vagina every time I strained during a bowel movement.
This has been happening for about a week now, and I have been experiencing fresh bleeding from the vagina daily during bowel movements.
Normally, I do not have bleeding when urinating, but in the last couple of days, I noticed a little blood mixed in with my urine after sitting on the toilet for about 15 minutes without having a bowel movement.
The bleeding continues every day when I strain to have a bowel movement, and I am quite concerned, so I would like to consult a doctor.

Qiu Xiaojie, 20~29 year old female. Ask Date: 2021/02/18

Dr. Chen Zhiyu reply Obstetrics and Gynecology


Regarding your concerns, the response is as follows: Based on your description, it does sound unusual.
However, to determine whether the bleeding is indeed from the vagina, it is advisable to consult a professional obstetrician-gynecologist for an internal examination to confirm the source of the bleeding and provide an accurate diagnosis.
Thank you for your inquiry, and I wish you health and happiness.

Reply Date: 2021/02/18

More Info


Vaginal bleeding during bowel movements can be concerning and may indicate several underlying issues. Given your description, it’s important to consider both gynecological and gastrointestinal factors that could contribute to this symptom.
Firstly, the fact that you experience bright red blood during bowel movements suggests that the source of the bleeding is likely from the lower part of the reproductive tract or the rectum. This could be due to several reasons:
1. Hemorrhoids: These are swollen veins in the rectum or anus that can cause bleeding, especially during bowel movements. If you are straining to have a bowel movement, this could exacerbate hemorrhoids and lead to bleeding. Hemorrhoids can also cause discomfort and pain, which might explain the slight pain you experience during intercourse.

2. Anal Fissures: These are small tears in the lining of the anus, often caused by passing hard stools. They can cause sharp pain during bowel movements and may also lead to bleeding. If you are experiencing pain during bowel movements, this could be a potential cause.

3. Menstrual Cycle Irregularities: Since you mentioned that your menstrual cycle is usually regular, it’s worth noting that hormonal fluctuations can sometimes lead to unexpected bleeding. This could be related to ovulation or other hormonal changes, especially if you have recently experienced any stress or changes in your routine.

4. Infections: Infections in the vaginal area or the urinary tract can also lead to bleeding. If you have any accompanying symptoms such as unusual discharge, itching, or a foul odor, it would be important to consider this as a potential cause.

5. Cervical or Uterine Issues: Conditions such as cervical polyps, fibroids, or even infections of the cervix (cervicitis) can cause abnormal bleeding. If you have had any recent Pap smears or gynecological exams, it would be beneficial to discuss these findings with your healthcare provider.

6. Gastrointestinal Issues: Conditions such as diverticulitis or inflammatory bowel disease (IBD) can also cause rectal bleeding. If you have any gastrointestinal symptoms, such as abdominal pain, changes in bowel habits, or weight loss, it would be important to evaluate these conditions.

Given that you have been experiencing this bleeding for over a week, it is crucial to seek medical attention. A healthcare provider can perform a thorough examination, including a pelvic exam and possibly imaging studies, to determine the cause of the bleeding. They may also recommend a referral to a gastroenterologist if gastrointestinal issues are suspected.

In the meantime, it’s advisable to avoid straining during bowel movements. Ensuring adequate hydration and a diet rich in fiber can help prevent constipation and reduce the risk of hemorrhoids and anal fissures. If you find that the bleeding persists or worsens, or if you experience significant pain, fever, or other concerning symptoms, do not hesitate to seek immediate medical care.

In conclusion, while vaginal bleeding during bowel movements can stem from various causes, it is essential to approach this symptom with caution. A thorough evaluation by a healthcare professional is necessary to identify the underlying issue and provide appropriate treatment.

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