How to Properly Start Your Second Pack of Birth Control Pills

Instructions for taking the second pack of emergency contraceptive pills?

I would like to ask about my menstrual cycle.
My period started on December 9, and I began taking the oral contraceptive pill.
I finished one pack of the pill, Prilosec, last week, and my period is expected to start on January 7.
Normally, after finishing the first pack, I would stop taking the pills for 7 days and then start the next pack on the eighth day.
However, I don't remember which day I finished the pack last week (Tuesday, Wednesday, or Thursday).
Should I wait until my next period to start taking the pills again, or can I start on January 11 (the fifth day) or even two days earlier?

Enn, 20~29 year old female. Ask Date: 2018/01/08

Dr. Huang Jianzhong reply Obstetrics and Gynecology

My period started on December 9, so I began taking the oral contraceptive pill.
I finished one pack of Qlaira last week, and my period is expected to start on January 7.
Normally, I would stop taking the pills for 7 days after finishing the first pack and start again on the eighth day.
However, I can't remember which day I finished the pack last week.
Should I wait until my next period to start again, or can I start on January 11 (the fifth day) or even two days earlier?
Answer: You can start taking the pill again on January 11 (the fifth day) or even two days earlier.

Reply Date: 2018/01/08

More Info

When it comes to starting your second pack of birth control pills, it's essential to follow the guidelines provided by your healthcare provider and the instructions that come with the medication. Based on the information you've provided, it seems you have some uncertainty about when to start your second pack after completing the first one.

Typically, most birth control pills, including the ones you mentioned (like "祈麗安"), are designed to be taken in a specific cycle. After finishing the first pack, which usually contains 21 active pills followed by a 7-day break (during which you may experience withdrawal bleeding), you should start your second pack on the eighth day after finishing the first pack, regardless of whether your period has ended or not.

In your case, you mentioned that your period started on January 7th. If you completed your first pack before this date and are now in the 7-day break, you should ideally start your second pack on January 14th (the eighth day after your last active pill). If you are unsure about the exact day you finished your first pack, it is generally recommended to wait until the eighth day after your last active pill to start the new pack.

If you are considering starting the second pack earlier, such as on January 11th (the fifth day of your break), it is not advisable. Starting the second pack early could potentially disrupt the hormonal balance and may affect the contraceptive effectiveness. The key principle is to maintain a consistent schedule to ensure the pills work effectively.

Here are some additional points to consider:
1. Consistency is Key: Birth control pills are most effective when taken at the same time every day. This consistency helps maintain stable hormone levels in your body.

2. Understanding Breaks: The 7-day break is designed to allow for a withdrawal bleed, which mimics a menstrual period. It is crucial to adhere to this schedule to ensure the effectiveness of the contraceptive.

3. Missed Pills: If you miss a pill or are unsure about when to start the next pack, consult your healthcare provider for personalized advice. They can provide guidance based on your specific situation.

4. Emergency Contraception: If you have concerns about potential contraceptive failure or if you had unprotected intercourse during the break, you might want to discuss emergency contraception options with your healthcare provider.

5. Monitoring Your Cycle: Keep track of your menstrual cycle and any symptoms you experience. This information can be helpful for future consultations with your healthcare provider.

In summary, you should wait until the eighth day after your last active pill to start your second pack, which would be January 14th in your case. If you have any further questions or concerns, it’s always best to reach out to your healthcare provider for tailored advice. They can help clarify any doubts and ensure that you are using your birth control method effectively.

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