Menstrual Irregularities After Birth Control Use - Obstetrics and Gynecology

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Menstrual issues


I took a box of oral contraceptive pills and after finishing it, I waited 7 days for my period to come, which it did.
Then, I started the next box but only took 2 pills before stopping.
About a week later, I started bleeding again, and the amount of blood is quite significant.
What could be the issue?

Fang, 10~19 year old female. Ask Date: 2016/04/28

Dr. Zhang Kunmin reply Obstetrics and Gynecology


Hello, based on your description, it is necessary to have a physician evaluate whether there are any hormonal abnormalities, contraceptive failures, or other reasons.
Thank you! Wishing you peace and health.
Dr.
Chang

Reply Date: 2016/04/28

More Info


Menstrual irregularities after the use of birth control pills can be a common concern, especially when there are changes in the pattern of bleeding. In your case, it seems that you have been using a combination of birth control pills and have experienced some unexpected bleeding after a period of irregular use.
When you take birth control pills, they work primarily by regulating your hormones to prevent ovulation, thicken cervical mucus, and thin the uterine lining. However, if the pills are not taken consistently or if there is a sudden change in the dosage or type of pill, it can lead to hormonal fluctuations that may cause irregular bleeding or spotting.

Here are some potential reasons for the bleeding you are experiencing:
1. Withdrawal Bleeding: After stopping the pills, your body may go through a withdrawal phase, leading to bleeding similar to a menstrual period. This can happen even if you have only taken a few pills in a new pack.

2. Breakthrough Bleeding: This is common when starting or changing birth control methods. Breakthrough bleeding can occur if the body is adjusting to the hormonal changes, especially if pills are missed or taken inconsistently.

3. Hormonal Imbalance: If you have not taken the pills as directed, your hormone levels may become imbalanced, leading to unexpected bleeding. This is particularly true if you have only taken two pills in the new pack and then stopped.

4. Pregnancy: If there is any chance of pregnancy (for example, if you had unprotected intercourse during the time you were not taking the pills), it is important to take a pregnancy test. Sometimes, bleeding can occur in early pregnancy, known as implantation bleeding, or it could be a sign of a miscarriage.

5. Other Medical Conditions: Conditions such as polycystic ovary syndrome (PCOS), fibroids, or infections can also lead to irregular bleeding. If the bleeding is heavy or accompanied by severe pain, it is advisable to seek medical attention.

Given your situation, here are some recommendations:
- Monitor Your Symptoms: Keep track of the bleeding, including the amount, duration, and any accompanying symptoms (such as pain or cramping). This information will be helpful for your healthcare provider.

- Take a Pregnancy Test: If there is any possibility of pregnancy, it is crucial to take a test to rule it out.

- Consult a Healthcare Provider: If the bleeding continues, is unusually heavy, or if you have any other concerning symptoms, it is important to consult with a healthcare provider. They can perform a thorough evaluation, including a physical examination and possibly an ultrasound, to determine the cause of the bleeding.

- Consider Birth Control Options: If you are looking to continue using birth control, discuss with your healthcare provider about the best options for you. There are various methods available, and they can help you choose one that fits your lifestyle and health needs.

In conclusion, while irregular bleeding after stopping or inconsistently taking birth control pills can be common, it is essential to monitor your symptoms and consult with a healthcare provider if you have concerns. They can provide personalized advice and help ensure your reproductive health is managed effectively.

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