Abnormal Menstrual Bleeding: Causes and When to Seek Help - Obstetrics and Gynecology

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Menstrual irregularities


Hello Doctor, I would like to ask you about my girlfriend's menstrual cycle.
Her cycle is 28 days, and her last period was from May 31 to June 5.
Her expected ovulation period was around June 14 to June 15, during which we had unprotected intercourse (but there was no ejaculation).
However, on June 16 in the afternoon, she started to bleed and experienced discomfort similar to menstrual cramps, along with fatigue and body aches.
The bleeding has gradually increased from yesterday to tonight (filling 2/3 of a pad).
I would like to know if this is ovulation bleeding or early pregnancy bleeding.
Should we seek emergency medical attention for the current bleeding? Thank you, Doctor.

Nìmíng, 20~29 year old female. Ask Date: 2024/06/18

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, it is possible that you are experiencing ovulatory bleeding.
If you continue to feel unwell, it is advisable to consult a gynecologist.
Wishing you good health.

Reply Date: 2024/06/18

More Info


Abnormal menstrual bleeding can be a source of concern for many women, and understanding its causes is essential for determining when to seek medical help. In your girlfriend's case, the timeline you provided indicates that she experienced bleeding shortly after her expected ovulation period, which raises a few possibilities.

Firstly, it is important to differentiate between normal menstrual bleeding and abnormal bleeding. Normal menstrual cycles typically last between 21 to 35 days, with bleeding lasting from 2 to 7 days. Any bleeding that occurs outside of this pattern, especially if it is unusually heavy or accompanied by significant discomfort, may be considered abnormal.

In your girlfriend's situation, the bleeding that began on June 16, just after her expected ovulation, could potentially be attributed to ovulation bleeding. Ovulation bleeding is light spotting that can occur when the ovary releases an egg, and it is usually not heavy and lasts only a few hours to a couple of days. However, the symptoms of cramping, fatigue, and increased bleeding you described suggest that this may not be a simple case of ovulation bleeding.

Another possibility is implantation bleeding, which can occur if your girlfriend is pregnant. This type of bleeding happens when a fertilized egg attaches itself to the lining of the uterus, typically occurring around the time of expected menstruation. Implantation bleeding is usually lighter than a regular period and may be accompanied by mild cramping.

Given that your girlfriend's bleeding has increased to the point of saturating pads, it is crucial to consider the possibility of other underlying issues, such as hormonal imbalances, uterine fibroids, polyps, or even more serious conditions like ectopic pregnancy or miscarriage, especially if she is pregnant.
When to seek medical attention is a critical question. If the bleeding is heavy (soaking through a pad in an hour or less), accompanied by severe pain, dizziness, or any other concerning symptoms, it is advisable to seek immediate medical care. Additionally, if the bleeding continues for more than a few days or if there are any signs of infection (such as fever or foul-smelling discharge), a medical evaluation is warranted.

In summary, while it is possible that your girlfriend is experiencing either ovulation bleeding or implantation bleeding, the increase in bleeding and associated symptoms suggest that a medical evaluation is necessary. A healthcare provider can perform a thorough assessment, including a physical examination and possibly an ultrasound or blood tests, to determine the cause of the bleeding and provide appropriate treatment if needed. It is always better to err on the side of caution when it comes to abnormal bleeding, as early intervention can be crucial for addressing any underlying health issues.

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