Emergency Contraceptives and Birth Control Pills - Obstetrics and Gynecology

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Contraceptive pill issues


Hello doctor, I am using the oral contraceptive pill for the first time.
I started taking it on July 21 and had sexual intercourse on the seventh day.
To ensure safety, I took an emergency contraceptive pill on July 27.
Later, I got my second period on July 31, which I believe is due to the effect of the emergency contraceptive pill.
Should I stop taking the oral contraceptive pill and wait until the fifth day of my next period to start a new pack? Do I need to get checked? Thank you.

Chen, 20~29 year old female. Ask Date: 2020/08/01

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, if your period starts on July 31, you should begin taking the new contraceptive pill on the fifth day of your period.
Wishing you good health.

Reply Date: 2020/08/01

More Info


Hello! It's great that you're seeking information about emergency contraceptives and birth control pills. Let's break down your questions and concerns regarding the use of these medications.

First, it's important to clarify the difference between emergency contraceptives (like the "morning-after pill") and regular birth control pills. Emergency contraceptives are designed to prevent pregnancy after unprotected intercourse or contraceptive failure, and they are most effective when taken as soon as possible after the event. Birth control pills, on the other hand, are taken daily to prevent ovulation and thus prevent pregnancy.

In your case, you started taking a birth control pill on July 21 and had unprotected sex on the seventh day of taking the pill. You also took an emergency contraceptive pill on July 27, which is a common practice if there's concern about potential pregnancy. The bleeding you experienced on July 31 could indeed be a result of the emergency contraceptive, as these pills can cause changes in your menstrual cycle, including earlier or heavier bleeding.

Now, regarding your question about whether to stop taking the birth control pill and when to start a new pack: you should continue taking your birth control pills as directed, even if you experience bleeding. Stopping the birth control pill can disrupt your cycle and may lead to unintended pregnancy if you are not using another form of contraception.
Typically, if you are on a 28-day pill pack, you would take the active pills for 21 days, followed by 7 days of placebo pills (or no pills). If you started your new pack after your period begins, you would continue to take the active pills as usual. If you are on a 21-day pack, you would take the active pills for 21 days and then have a 7-day break, during which you would likely have your period.

As for whether you need to get checked, if you have concerns about your menstrual cycle or if you experience unusual symptoms (such as severe pain, heavy bleeding, or signs of pregnancy), it is always a good idea to consult with a healthcare provider. They can provide personalized advice based on your health history and current situation.

In summary, continue taking your birth control pills as directed, and do not stop them after taking an emergency contraceptive. If you have any unusual symptoms or concerns, reach out to your healthcare provider for further guidance. It's essential to stay informed and proactive about your reproductive health. Thank you for your questions, and I wish you the best in managing your contraceptive needs!

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