Brown Discharge After Emergency Contraceptive Use: What to Know - Obstetrics and Gynecology

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Emergency contraceptive pill


Hello doctor, I took the emergency contraceptive pill on August 13, and on August 18, I noticed brown discharge.
Is this bleeding? The amount of discharge is not much; I only see the brown discharge when I wipe.
Today is the second day of the discharge, and it is still brown.
Is this a side effect of the medication, an early sign of pregnancy, or could it be my period? My expected menstrual date is September 3, so what could be the reason for this discharge? Thank you.

Cindy, 20~29 year old female. Ask Date: 2019/08/19

Dr. Huang Jianzhong reply Obstetrics and Gynecology


On August 13, I took the emergency contraceptive pill, and on August 18, I noticed brown discharge.
Is this bleeding? The amount of discharge is not significant; I only see the brown discharge when I wipe.
Today is the second day of this discharge, and it is still brown.
Is this a side effect of the medication, an early sign of pregnancy, or my period? Answer: It is close to the date of my normal menstruation, which should start on September 3.
What is the reason for this discharge? Answer: It is likely due to ovulation.

Reply Date: 2019/08/19

More Info


The brown discharge you are experiencing after taking an emergency contraceptive pill (ECP) can be concerning, but it is not uncommon. Emergency contraceptive pills, such as those containing levonorgestrel or ulipristal acetate, can cause various side effects, including changes in menstrual bleeding patterns.
When you take an ECP, it can lead to hormonal fluctuations that may result in spotting or breakthrough bleeding. This is often characterized by brown discharge, which typically indicates older blood that has taken longer to exit the uterus. The timing of your brown discharge, occurring shortly after taking the ECP, suggests that it is likely a side effect of the medication rather than an indication of pregnancy or your regular menstrual cycle.

In your case, since you took the emergency contraceptive on August 13 and noticed the brown discharge starting on August 18, it is plausible that this discharge is related to the hormonal changes induced by the ECP. It is important to note that ECPs are designed to prevent pregnancy primarily by delaying ovulation, but they can also affect the menstrual cycle, leading to irregular bleeding or spotting.

Regarding your concern about whether this could be an early sign of pregnancy, it is essential to consider the timing of your menstrual cycle. If your expected period is due on September 3, and you have taken the ECP within the appropriate time frame (ideally within 72 hours after unprotected intercourse), the likelihood of pregnancy is reduced. However, if your next period is significantly delayed or if you experience other symptoms of pregnancy (such as nausea, breast tenderness, or fatigue), it would be advisable to take a pregnancy test for confirmation.

If the brown discharge continues or if you experience any other unusual symptoms, such as severe pain or heavy bleeding, it is crucial to consult with a healthcare provider. They can provide further evaluation and guidance based on your specific situation.

In summary, the brown discharge you are experiencing is likely a side effect of the emergency contraceptive pill rather than a sign of pregnancy or your regular menstrual cycle. However, monitoring your symptoms and consulting with a healthcare professional if necessary is always a good practice to ensure your health and well-being.

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