Post-Pill Bleeding: Your Symptoms After Emergency Contraception - Obstetrics and Gynecology

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Bleeding after taking emergency contraceptive pills?


Hello, my last two menstrual periods were from October 4 to October 8 and from November 4 to November 8.
I had sexual intercourse with my boyfriend on November 8, 9, 10, and 11 (without using a condom, and there was no ejaculation inside except on November 8 and 9).
On November 12, I took 1.5 mg of Plan B (emergency contraceptive pill), and then on the morning of November 18, I started experiencing bleeding, which was much heavier than the first day of my menstrual period and continued until the evening (the bleeding lasted more than 12 hours).
I would like to know if this bleeding is normal.
Thank you.

Niming, 20~29 year old female. Ask Date: 2015/11/19

Dr. Lü Lizheng reply Obstetrics and Gynecology


The response should gradually decrease and not exceed the amount of menstrual bleeding; otherwise, medical attention is required.
Sincerely, Dr.
Li-Cheng Lu, Taoyuan Hospital.

Reply Date: 2015/11/19

More Info


After taking emergency contraception, such as Plan B (Levonorgestrel) or Ella (Ulipristal Acetate), it is not uncommon to experience changes in your menstrual cycle, including abnormal bleeding. The bleeding you are experiencing after taking the emergency contraceptive pill on November 12 could be attributed to several factors related to the hormonal changes induced by the medication.

Emergency contraceptive pills work primarily by delaying ovulation. If taken before ovulation, they can prevent the release of an egg, thereby reducing the chance of fertilization. However, if ovulation has already occurred, the effectiveness of the pill diminishes. In your case, since you had unprotected intercourse on November 8, 9, 10, and 11, and took the pill on November 12, it is crucial to consider the timing of ovulation in relation to your menstrual cycle.

The bleeding you are experiencing starting on November 18 could be a side effect of the emergency contraceptive pill. Many women report experiencing spotting or breakthrough bleeding after taking these pills. This bleeding can vary in color and consistency and may be heavier than a typical menstrual period, especially if the pill has disrupted your hormonal balance. It is important to note that while some women may experience light spotting, others may have heavier bleeding, which can be alarming.

In your situation, the fact that the bleeding started about six days after taking the pill and was heavier than your usual menstrual flow could indicate that your body is responding to the hormonal changes caused by the emergency contraception. This is often referred to as "post-pill bleeding" or "withdrawal bleeding." It is generally not a cause for concern unless accompanied by severe pain, excessive bleeding (soaking through a pad every hour), or other concerning symptoms.

However, it is essential to monitor your symptoms closely. If the bleeding continues for an extended period, becomes excessively heavy, or if you experience severe abdominal pain, it is advisable to seek medical attention. Additionally, if your next expected period is significantly delayed (more than a week), it would be prudent to take a pregnancy test to rule out the possibility of pregnancy, as emergency contraception is not 100% effective.

In summary, while the bleeding you are experiencing after taking emergency contraception can be concerning, it is often a normal response to the hormonal changes induced by the medication. Keep track of your symptoms, and if you have any doubts or if your situation changes, do not hesitate to consult a healthcare provider for personalized advice and care.

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