Emergency Contraception: What to Expect After Taking the Pill - Obstetrics and Gynecology

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Contraceptive issues


Hello Doctor: My last menstrual period started on January 4, and my cycle is quite regular, averaging 26 to 28 days.
I had sexual intercourse on January 17 around 11 PM (there was no ejaculation, but I'm unsure if there was any pre-ejaculate).
I took one dose of emergency contraception at noon and another at midnight on January 18.
So far, I have not experienced any discomfort.
Is this considered normal? Is it common to have bleeding or discomfort after taking emergency contraception? Is there a chance that it was effective in preventing pregnancy? Thank you for your response.

Flora, 20~29 year old female. Ask Date: 2013/01/19

Dr. Dong Yuhong reply Obstetrics and Gynecology


Hello; taking emergency contraceptive pills may cause physical discomfort, which can vary from person to person.
However, the success rate of emergency contraception is not 100%, so if there are any menstrual irregularities or physical discomfort, it is advisable to seek medical attention to check for the possibility of unintended pregnancy.
Thank you!

Reply Date: 2013/01/19

More Info


When it comes to emergency contraception, understanding what to expect after taking the pill is crucial for managing anxiety and ensuring proper reproductive health. In your case, you took emergency contraception (EC) shortly after a potential risk of pregnancy, which is a responsible step. Let’s break down your concerns regarding the effectiveness of the pill, potential side effects, and what to expect moving forward.


Effectiveness of Emergency Contraception
Emergency contraceptive pills (ECPs), such as Plan B or Ella, are designed to prevent pregnancy after unprotected intercourse or contraceptive failure (like a broken condom). They are most effective when taken as soon as possible after the incident, ideally within 72 hours for Plan B and up to 120 hours for Ella. Since you took the pills within a day after the sexual encounter, you maximized your chances of preventing pregnancy.


What to Expect After Taking the Pill
1. Side Effects: It is common for individuals to experience some side effects after taking emergency contraception. These can include:
- Nausea
- Fatigue
- Headaches
- Dizziness
- Breast tenderness
- Changes in menstrual bleeding (spotting or heavier bleeding)
However, not everyone experiences these side effects, and their absence does not indicate that the pill was ineffective. Many people take ECPs without any noticeable discomfort.

2. Menstrual Changes: After taking ECPs, your next period may be affected. It can come earlier or later than expected, and the flow may be lighter or heavier than usual. Given your regular cycle of 26-28 days, if your period is delayed beyond a week from when you expect it, it would be advisable to take a pregnancy test for reassurance.

3. Pregnancy Testing: If you have concerns about whether the emergency contraception was effective, you can take a home pregnancy test about two weeks after the potential conception date. This timing allows enough time for the hormone hCG to build up in your urine if pregnancy has occurred.


Conclusion
In summary, your experience of not feeling any discomfort after taking the emergency contraceptive pill is within the realm of normal. The absence of side effects does not imply that the pill was ineffective. It’s essential to monitor your menstrual cycle and be aware of any changes. If your period is significantly delayed or if you experience unusual symptoms, consider consulting a healthcare provider for further evaluation and guidance.

Remember, while emergency contraception is a useful tool, it should not be used as a regular form of birth control. For ongoing sexual activity, consider discussing more reliable contraceptive methods with your healthcare provider to ensure effective pregnancy prevention in the future.

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Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, you should start taking the birth control pills on the fifth day of your menstrual period. If you take them a bit late, the contraceptive effectiveness may decrease. If the birth control pack contains 28 pills, the last 7 pills are placebo pills. Wishing you good health.

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