How to Properly Take Birth Control Pills: A Guide for Women

How to take emergency contraceptive pills?

Hello Dr.
Huang, I have been taking the combined oral contraceptive pill (21 pills) for several months, but I forgot which day of the week I should start taking the pills again after traveling abroad for the past two months.
Should I wait until my period ends (which usually comes 3-5 days after stopping the pills, but not always) to start taking them again, or should I start taking them when my period arrives (which has not come yet)? Alternatively, can I start the next pack at a confirmed time (I remember I took the last pill last Friday)?

Ms. Hsu, 20~29 year old female. Ask Date: 2019/04/04

Dr. Huang Jianzhong reply Obstetrics and Gynecology

You have been taking the oral contraceptive pill (21 pills) for several months, but due to traveling abroad for the past two months, you forgot which day of the week to start taking the pills again.
Should you wait until your period ends (which usually comes 3-5 days after stopping the pills, but not always) to start taking them, or should you start taking them when your period arrives (which has not yet come)? Alternatively, can you start the next pack at a confirmed time (I remember I took the last pill last Friday)?
Answer: Start taking the pills when your period arrives.

Reply Date: 2019/04/04

More Info

When it comes to taking birth control pills, it's essential to follow a consistent routine to ensure maximum effectiveness. Birth control pills, particularly the combined oral contraceptives (COCs), are designed to be taken daily to maintain stable hormone levels in your body. Here’s a comprehensive guide on how to properly take birth control pills, especially in the context of your situation.

Starting Birth Control Pills
1. When to Start: If you are starting a new pack of pills, you can begin taking them either:
- On the first day of your menstrual period: This method provides immediate contraceptive protection.

- Any day of the month: If you choose this option, you should use a backup method of contraception (like condoms) for the first seven days of taking the pills.

2. If You Miss a Pill: If you forget to take a pill, the general rule is:
- If you miss one pill, take it as soon as you remember. If you remember the next day, take both pills at the same time.

- If you miss two or more pills, refer to the instructions that come with your specific brand of pills, as the guidance may vary. Generally, you should take the last missed pill as soon as you remember and continue taking the rest of the pills as scheduled. However, you may need to use backup contraception for a week.

Your Specific Situation
Given that you have been on the pill for several months and have recently traveled, it’s understandable that you might have lost track of the days. If you are unsure when to start your next pack, here are some steps to consider:
- If your period has not yet started: You can begin taking the new pack of pills at any time, but it’s advisable to wait until your menstrual cycle begins for the most effective results. If you start the new pack now, you should use a backup method for the first seven days.

- If your period has started: You can begin taking the new pack of pills on the first day of your period. This is the most straightforward approach and ensures that you are protected from pregnancy right away.

- If you are unsure: Since you mentioned that you remember taking the pills until last Friday, you can start the new pack now. However, if you have any doubts about your contraceptive coverage, using a backup method for the first week is wise.

Additional Considerations
- Consistency is Key: Try to take your pill at the same time every day. This helps maintain hormone levels and reduces the risk of forgetting a dose.

- Consult Your Healthcare Provider: If you have any concerns about missed pills or your contraceptive method, it’s always best to consult with your healthcare provider. They can provide personalized advice based on your health history and current situation.

- Side Effects and Monitoring: Be aware of any side effects when starting a new pack. Common side effects can include nausea, headaches, or mood changes. If these persist or are severe, consult your doctor.

- Long-term Use: If you plan to continue using birth control pills long-term, regular check-ups with your healthcare provider are essential to monitor your health and discuss any changes in your contraceptive needs.

In conclusion, you can start your new pack of birth control pills now, but be mindful of using backup contraception for the first week if you are unsure about your previous pill-taking schedule. Always prioritize communication with your healthcare provider for the best outcomes in your contraceptive journey.

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