Brown Discharge and Abdominal Pain After Intimacy - Obstetrics and Gynecology

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MC may arrive early and there may be intermittent discharge of dark brown blood?


Hello, I apologize for the interruption.
I would like to ask about something.
About six days ago, I had intercourse with my boyfriend, but in the past few days, I've been experiencing abdominal pain and occasionally passing dark brown blood, although the amount is not significant.
My period is not due for another 12 days.
We used protection during intercourse.
Could this be due to injury from being too vigorous, or is there something else going on?

Alice, 10~19 year old female. Ask Date: 2015/11/07

Dr. Yang Wangjun reply Obstetrics and Gynecology


Hello: Abdominal pain and vaginal bleeding after intercourse can be attributed to two main causes.
The first is a ruptured corpus luteum, which can lead to internal bleeding in the abdominal cavity and cause pain.
Following the rupture, insufficient progesterone secretion may result in the shedding of the endometrium, leading to bleeding.
The second cause could be endometritis, which can also result in abdominal pain and bleeding.
If symptoms persist, it is advisable to seek medical evaluation.
Thank you for your message!

Reply Date: 2015/11/07

More Info


Experiencing abdominal pain and brown discharge after intimacy can be concerning, and it's important to understand the potential causes and implications of these symptoms. While I cannot provide a definitive diagnosis, I can outline several possibilities based on common medical knowledge.

Firstly, the brown discharge you are experiencing could be old blood that is being expelled from your body. This can happen for various reasons, including hormonal fluctuations, ovulation, or even the onset of your menstrual cycle. In some cases, light spotting can occur after sexual intercourse, especially if there was any friction or if the intercourse was particularly vigorous. This can lead to minor trauma to the vaginal walls or cervix, resulting in bleeding.
Another possibility is that the brown discharge could be related to an underlying condition such as endometriosis or pelvic inflammatory disease (PID). Endometriosis occurs when tissue similar to the lining inside the uterus grows outside of it, which can cause pain and irregular bleeding. PID is an infection of the reproductive organs that can also lead to abdominal pain and abnormal discharge. Both conditions can be exacerbated by sexual activity, leading to discomfort and bleeding.

If you are experiencing significant abdominal pain, it is essential to consider other potential causes such as ovarian cysts, fibroids, or even ectopic pregnancy, especially if the pain is severe or accompanied by other symptoms like fever, chills, or heavy bleeding. Ectopic pregnancy, where a fertilized egg implants outside the uterus, can be life-threatening and requires immediate medical attention.

Given that you mentioned using protection, the likelihood of pregnancy is reduced, but it is not entirely eliminated. If there is any chance of pregnancy, it is crucial to take a pregnancy test to rule out this possibility, especially if your symptoms persist or worsen.

Anxiety can also play a role in how we perceive pain and discomfort. If you are feeling anxious about the situation, it can heighten your awareness of bodily sensations, potentially leading to increased discomfort. Stress and anxiety can also contribute to gastrointestinal issues, which may manifest as abdominal pain.

In summary, while there are several potential explanations for your symptoms, it is essential to consult a healthcare provider for a thorough evaluation. They may perform a pelvic exam, ultrasound, or other diagnostic tests to determine the cause of your abdominal pain and brown discharge. It is always better to err on the side of caution when it comes to your health, especially when experiencing new or concerning symptoms.

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