Implantation Bleeding vs. Early Menstruation

Menstrual issues: Implantation bleeding?

The first day of menstruation was on January 27, February 25, March 26, April 14, and May 14, with a cycle of approximately 30 days.
However, for some reason, the period in April came early (no sexual intercourse).
On May 28, there was external ejaculation without a condom.
On June 2, late at night, I noticed brown stains on my underwear, thinking it was an early period, but when I saw the doctor, he only prescribed a three-day supply of hemostatic medication and told me to wait until June 17 for my period to return.
However, today, June 7, after finishing the hemostatic medication, I am still experiencing bleeding, which is dark in color (almost black by the third day of bleeding).
It is now the sixth day of bleeding.
I would like to know if this could possibly be implantation bleeding, or is it possible that this is an early period?

lucyyy, 20~29 year old female. Ask Date: 2021/06/07

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, the factors contributing to intermenstrual bleeding are numerous, including age, environment, lifestyle, stress, emotional instability, weight changes, medications, postcoital contraception, diet, polycystic ovary syndrome, lesions of the uterus or cervix, infections, ovulation, pregnancy, and breastfeeding, among others.
It is advisable to consult a gynecologist if symptoms persist or worsen to determine if there is a hormonal imbalance or other underlying causes.
Thank you! Wishing you safety and health.
Dr.
Chang

Reply Date: 2021/06/07

More Info

Implantation bleeding and early menstruation can often be confused due to their similar presentation, but they have distinct characteristics that can help differentiate between the two.
Implantation bleeding typically occurs when a fertilized egg attaches itself to the lining of the uterus, which can happen around 6 to 12 days after conception. This type of bleeding is usually light, often described as spotting, and can be pink or brown in color. It is generally much lighter than a regular menstrual period and lasts for a shorter duration, typically a few hours to a couple of days.
On the other hand, early menstruation is part of the menstrual cycle and is characterized by a heavier flow that can include bright red blood. It usually lasts between 3 to 7 days and is accompanied by other menstrual symptoms such as cramping, bloating, and mood changes.
In your case, you mentioned that your menstrual cycle is approximately 30 days, with the last menstrual period starting on May 14. You had unprotected intercourse on May 28, which is around the time of ovulation for a typical 30-day cycle. The spotting you observed on June 2 could potentially be implantation bleeding, especially if it was light and brownish in color. However, since you have been experiencing this bleeding for six days, with the color darkening to nearly black, it raises the possibility that this could be an early menstruation or an abnormal menstrual cycle rather than implantation bleeding.

The fact that you were prescribed hemostatic medication suggests that your doctor may have suspected some form of abnormal bleeding, which could be due to hormonal fluctuations, stress, or other factors affecting your menstrual cycle. It is important to note that while implantation bleeding can occur, it is less common than early menstruation, especially if you have not experienced any other symptoms typically associated with pregnancy, such as nausea or breast tenderness.

Given that you have been experiencing prolonged bleeding, it would be advisable to follow up with your healthcare provider. They may recommend further evaluation, such as a pregnancy test or an ultrasound, to determine the cause of the bleeding and to rule out any other underlying conditions.
In summary, while it is possible that the bleeding you are experiencing could be implantation bleeding, the duration and characteristics of the bleeding suggest that it may be more likely related to an early menstruation or another issue. Consulting with your healthcare provider will provide you with the best course of action and peace of mind.

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