Missed Period After Birth Control: What to Do Next? - Obstetrics and Gynecology

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Taking birth control pills on time, but menstruation has not arrived?


Hello, doctor.
I have been taking the Yaz contraceptive pill for four to five months, and my period usually starts 2-3 days after I finish the 21 pills.
However, this time, after completing the pills on schedule, I caught a severe cold the day after stopping the medication, and now it has been seven days since I stopped, and my period still hasn't arrived.
I have taken a pregnancy test, and I am not pregnant.
Is this normal? According to the schedule, I should start the next pack today, but since my period hasn't come, I'm unsure if I can take it.
Additionally, if I cannot continue taking it, should I use another form of contraception in the days leading up to my period?

Pang Pang, 20~29 year old female. Ask Date: 2016/02/12

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, for safety reasons, it is advisable to use other contraceptive methods.
It is better to take preventive measures before engaging in sexual activity.
If your period does not arrive in another week, it is recommended to see a gynecologist.
Wishing you good health.

Reply Date: 2016/02/12

More Info


When dealing with missed periods after stopping birth control pills, it's important to understand the body's response to hormonal changes and the potential factors that can influence menstrual cycles. Based on your situation, here are some insights and recommendations.

Firstly, it’s not uncommon for women to experience changes in their menstrual cycle after stopping birth control pills, especially if they have been on them for a while. The hormonal fluctuations that occur when you stop taking the pill can lead to irregularities in your cycle, including delayed periods. In your case, since you have been on the pill for four to five months and have consistently experienced a withdrawal bleed after completing your pill pack, the absence of your period this time could be attributed to several factors.

1. Illness Impact: You mentioned that you developed a severe cold right after stopping the pill. Illness can affect your hormonal balance and may delay your period. Stress on the body, whether from illness, emotional stress, or significant lifestyle changes, can lead to disruptions in your menstrual cycle.

2. Pregnancy Testing: Since you have already taken a pregnancy test and it was negative, this reduces the likelihood of pregnancy being the cause of your missed period. However, if your period does not arrive soon, it may be worth repeating the test, especially if you have any concerns or if your symptoms change.

3. Next Steps: As for whether you should start your next pack of pills, it is generally recommended to wait for your period to arrive before starting a new pack. However, if you are concerned about the delay and want to avoid unplanned pregnancy, you can consider using a backup contraceptive method, such as condoms, until your period returns and you can resume your birth control regimen.

4. Consulting a Healthcare Provider: If your period does not arrive within the next week or if you have any other concerning symptoms, it would be wise to consult with your healthcare provider. They can provide personalized advice, rule out any underlying issues, and help you determine the best course of action regarding your birth control and menstrual health.

5. Alternative Contraceptive Methods: While waiting for your period, using barrier methods like condoms is a good way to ensure you are protected against pregnancy. Additionally, if you are considering switching birth control methods or have concerns about hormonal contraceptives, discussing these options with your healthcare provider can help you find a method that suits your lifestyle and health needs.

In summary, while it is not unusual to miss a period after stopping birth control pills, especially after an illness, it is important to monitor your body’s signals. If your period does not arrive soon, consider consulting with your healthcare provider for further evaluation and guidance. In the meantime, using alternative contraception can help you manage your reproductive health effectively.

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