Do You Need Emergency Contraception After Taking Birth Control? - Obstetrics and Gynecology

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Emergency contraceptive pill


If you started taking the birth control pill on the third day of your menstrual period and have been taking it consistently for six days, you should be protected from pregnancy.
However, since you had unprotected intercourse with ejaculation two hours after taking the pill, it is advisable to consult with a healthcare provider about whether you should take emergency contraception.

Li, 20~29 year old female. Ask Date: 2020/06/30

Dr. Huang Yiwen reply Obstetrics and Gynecology


Hello Ms.
Li: As long as you take the oral contraceptive pill consistently every day, there is no need to use emergency contraception or any other contraceptive methods regardless of when sexual intercourse occurs.

Reply Date: 2020/06/30

More Info


When it comes to the use of emergency contraception after taking birth control pills, it's essential to understand how hormonal contraceptives work and the timing of their effectiveness. Birth control pills, when taken correctly, are designed to prevent ovulation, thicken cervical mucus, and thin the uterine lining, thereby reducing the chances of pregnancy.
In your case, since you started taking the birth control pills on the third day of your menstrual cycle and have been taking them consistently for six days, you are likely within the window where the pills are beginning to provide effective contraception. Most combination birth control pills take about seven days of consistent use to reach full effectiveness, although some formulations may work sooner.
If you had unprotected intercourse two hours after taking your sixth pill, the likelihood of becoming pregnant is relatively low, provided that you have taken your pills correctly and consistently. However, if you missed any doses or took them at irregular times, the effectiveness could be compromised.
Emergency contraception (EC) is typically recommended in situations where there is a concern about contraceptive failure, such as missed pills, incorrect usage, or if you had unprotected sex during the first week of starting the pill. Since you have been taking your birth control pills as prescribed, it may not be necessary to take emergency contraception.
However, if you have any doubts about your pill-taking habits or if you missed any doses, it might be prudent to consult with a healthcare provider. They can provide personalized advice based on your specific situation and the type of birth control you are using.
In summary, if you have been taking your birth control pills consistently and correctly, you likely do not need emergency contraception after having unprotected sex. However, if you are unsure or have missed any doses, it is always best to consult with a healthcare professional for guidance.
Additionally, it's important to remember that while hormonal contraceptives are effective at preventing pregnancy, they do not protect against sexually transmitted infections (STIs). If you have concerns about STIs, consider discussing additional protective measures, such as condoms, with your partner.
In conclusion, while your current situation may not necessitate emergency contraception, staying informed about your contraceptive methods and maintaining open communication with your healthcare provider is crucial for your reproductive health.

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