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Can restarting birth control pills cause missed periods?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I missed my period, but I know I am not pregnant, and I feel completely fine. My energy levels are normal, and I am not experiencing any hair loss or other unusual symptoms. I did start taking my birth control pills again for just four days after taking a five-month break, but I stopped after those four days. I did feel the usual breast tenderness that I always get before my period, but there was no bleeding at all.

Kindly help.

Answered by Dr. Georges Hany Kozah

Education:

MD

Professional Bio:

Dr. Georges Hany Kozah is an experienced Lebanese Gynecologist with an MD from The Lebanese University Faculty of Medical Sciences (2016) and a Fellowship completed in 2022. Specializing in high-risk obstetrics, advanced ultrasound, oncology, colposcopy, and hysteroscopy, he combines expertise with a patient-centered approach. Passionate about women’s health, Dr. Kozah strives for excellence and optimal outcomes in collaborative, innovative care.

This doctor is not available for online consultations on the platform anymore.

Hello,

Welcome to icliniq.com.

I understand your concern.

Based on what you have shared, it sounds like your missed period was likely caused by a brief hormonal disruption from taking birth control pills for just four days after stopping them for five months. This kind of change can confuse your body and delay your period, but it is usually nothing to worry about.

Here is what most likely happened: taking birth control pills, even for a few days, can affect your hormones. The estrogen and progestin in the pills may signal your body to pause ovulation. When you stop the pills suddenly, your hormones may become temporarily unbalanced. That is probably why you felt the usual breast tenderness, as if your period was coming, but no bleeding occurred.

The fact that you feel completely fine is a very good sign. Since you are not experiencing symptoms like fatigue, mood changes, or hair loss, your hormones are likely settling down on their own. This suggests that there is no serious underlying problem, just a temporary shift in your cycle.

Here is what you can do now:

First, give your body a little more time. If it has been less than six weeks since your last period or pill use, it is normal for your cycle to be a little off. Many women experience a delayed or missed period after making changes to their birth control.

Next, try tracking your cycle. You can use an app or a calendar to monitor any signs of ovulation, bleeding, and symptoms. This will help you understand if your next cycle begins naturally.

It is also a good idea to take a pregnancy test, just to be sure. Even if you are confident you are not pregnant, one test can give you peace of mind.

If your period still does not come within six to eight weeks, consider seeing a doctor. They may suggest hormonal support, such as a medication like Provera to help start your period, or they may run tests to check hormone levels like FSH (follicle-stimulating hormone), LH (luteinizing hormone), prolactin, and thyroid function.

You should see a doctor sooner if you miss more than two periods in a row, develop new symptoms like severe acne, hair thinning, or extreme tiredness, or if you want to restart birth control and stay on it consistently.

In conclusion, this does not seem like a serious issue. It is likely just your body reacting to a sudden change in hormones, and it often corrects itself within a month or two. If you would like help with choosing when to restart birth control or natural ways to support your cycle, I am happy to help. Just let me know.

I hope you are satisfied with my answer. For further queries, you can consult me at iCliniq.

Thank you.

Medically reviewed by iCliniq medical review team
Published At May 29, 2025
Reviewed At June 11, 2025

Education:

MD

Professional Bio:

Dr. Georges Hany Kozah is an experienced Lebanese Gynecologist with an MD from The Lebanese University Faculty of Medical Sciences (2016) and a Fellowship completed in 2022. Specializing in high-risk obstetrics, advanced ultrasound, oncology, colposcopy, and hysteroscopy, he combines expertise with a patient-centered approach. Passionate about women’s health, Dr. Kozah strives for excellence and optimal outcomes in collaborative, innovative care.

This doctor is not available for online consultations on the platform anymore.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Education:

MD

Professional Bio:

Dr. Georges Hany Kozah is an experienced Lebanese Gynecologist with an MD from The Lebanese University Faculty of Medical Sciences (2016) and a Fellowship completed in 2022. Specializing in high-risk obstetrics, advanced ultrasound, oncology, colposcopy, and hysteroscopy, he combines expertise with a patient-centered approach. Passionate about women’s health, Dr. Kozah strives for excellence and optimal outcomes in collaborative, innovative care.

This doctor is not available for online consultations on the platform anymore.

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