Can I Start Taking Emergency Contraceptive Pill After My Period?

Emergency contraceptive pill, also known as Ella or Ulipristal Acetate?

Hello, doctor.
I am preparing to take the contraceptive pill Yaz for the first time.
My period started on February 20 with light flow, increased on the 21st, and I plan to take the first pill on the 25th.
Is that okay, or do I need to wait until the first day of my next period to start taking it? Thank you for your response.

Niming, 20~29 year old female. Ask Date: 2022/02/25

Dr. Huang Zifei reply Obstetrics and Gynecology

Dear Anonymous,
We usually recommend starting to take emergency contraceptive pills from the first day to the fifth day of your menstrual cycle.
Based on your situation, it would have been best to start taking them from February 20 to February 24.
However, since you are one day late, it is advisable to use condoms for double protection during sexual intercourse.
If you have any further questions, it is recommended to consult with a physician in the obstetrics and gynecology department.

Dr.
Huang Zifei, Nantou Hospital, Obstetrics and Gynecology Department

Reply Date: 2022/02/25

More Info

When it comes to starting birth control pills, including emergency contraceptive pills (ECPs), timing is crucial for effectiveness and safety. In your case, you are considering starting a contraceptive pill called "Yuezi" after your period, which is a common concern for many individuals.

Generally, it is recommended to start taking combination birth control pills (which contain both estrogen and progestin) at the beginning of your menstrual cycle, specifically on the first day of your period. This timing helps ensure that you are not pregnant and allows the hormones in the pill to effectively regulate your cycle and prevent ovulation.

However, if you are starting the pill after your period has begun, as you mentioned (with your period starting on February 20 and planning to take the first pill on February 25), you can still start taking the pill. It is important to note that if you begin taking the pill after your period has started, you should use an additional form of contraception (such as condoms) for the first seven days of taking the pill to ensure you are fully protected against pregnancy. This is because it may take a week for the hormones in the pill to become effective in preventing ovulation.

If you are considering emergency contraception specifically, it is important to understand that ECPs are designed to be taken 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, but can be taken up to 5 days after. ECPs work primarily by delaying ovulation and preventing fertilization.

In your case, since you are starting a regular contraceptive pill and not an emergency contraceptive, you should follow the guidelines for starting the pill as mentioned. If you have any doubts or specific health concerns, it is always best to consult with your healthcare provider for personalized advice.

Additionally, it is important to consider your overall health and any potential side effects associated with starting hormonal contraceptives. Some individuals may experience side effects such as nausea, headaches, or mood changes when starting the pill. These side effects often subside after a few months as your body adjusts to the hormones.

In summary, you can start taking the contraceptive pill after your period has begun, but be sure to use additional contraception for the first week. If you have any concerns about your menstrual cycle, contraceptive options, or potential side effects, do not hesitate to reach out to your healthcare provider for guidance tailored to your specific situation.

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