Birth Control Pills: Effectiveness and Side Effects - Obstetrics and Gynecology

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Issues Related to Sexual Activity and Contraceptive Pills


I apologize for the inconvenience, but I have been taking birth control pills for about 19 days now, and I take them at the same time every day.
However, sometimes the pills feel like they get stuck in my throat.
Will this affect their absorption? During the time I have been taking the pills, I engaged in sexual intercourse, and three days after the intercourse, I experienced slight bleeding.
Is this normal?

J, 10~19 year old female. Ask Date: 2022/12/13

Dr. Zhang Kunmin reply Obstetrics and Gynecology


Combined oral contraceptives must be taken at the same time every day, and correct usage can achieve a 99% effectiveness rate in preventing pregnancy.
During the course of taking the pill, there is no need to stop if menstruation occurs or if there is any bleeding; continue taking the medication as scheduled.
Once the body adjusts to the contraceptive, abnormal bleeding should cease.
However, if irregular bleeding persists for more than three months or if there is heavy bleeding, it is advisable to consult a physician for guidance.
Thank you! Wishing you safety and health, Dr.
Zhang.

Reply Date: 2022/12/13

More Info


When it comes to understanding birth control pills, their effectiveness, and potential side effects, it's important to consider several factors. Birth control pills, also known as oral contraceptives, are a popular method for preventing pregnancy. They work primarily by inhibiting ovulation, thickening cervical mucus to block sperm, and thinning the uterine lining to prevent implantation.


Effectiveness of Birth Control Pills
When taken correctly, birth control pills are about 99% effective at preventing pregnancy. This means that out of 100 women who use the pill for a year, only about one will become pregnant. However, the effectiveness can drop to about 91% with typical use, which accounts for missed pills or inconsistent usage. It's crucial to take the pill at the same time every day to maintain its effectiveness.


Concerns About Swallowing Pills
You mentioned that sometimes the pill feels like it gets stuck in your throat. If you experience this, it’s essential to ensure that you are swallowing the pill properly. Drinking a full glass of water can help facilitate swallowing. If a pill does get stuck, it may not dissolve properly, which could potentially affect absorption. However, if you take the pill regularly and it is not stuck for an extended period, it is likely that you are still receiving its intended effects.


Spotting and Breakthrough Bleeding
Regarding the slight bleeding you experienced three days after having sexual intercourse, this can be a common occurrence for women who are starting on birth control pills. Spotting or breakthrough bleeding can happen, especially during the first few months of taking the pill as your body adjusts to the hormones. This is generally not a cause for concern, but if the bleeding is heavy or accompanied by severe pain, it’s advisable to consult your healthcare provider.


Side Effects of Birth Control Pills
While birth control pills are generally safe for most women, they can have side effects. Common side effects include:
- Nausea
- Breast tenderness
- Mood changes
- Weight gain
- Headaches
These side effects often diminish after the first few months of use. However, if you experience severe side effects or symptoms such as chest pain, shortness of breath, or severe headaches, you should seek medical attention immediately, as these could indicate more serious complications.


Conclusion
In summary, if you are taking your birth control pills consistently and correctly, you should be well protected against pregnancy. The occasional feeling of the pill getting stuck is not uncommon, but ensure you are swallowing it properly. Spotting after starting the pill is also typical as your body adjusts to the hormones. If you have any concerns about your specific situation or if the spotting continues, it would be wise to consult with your healthcare provider for personalized advice and reassurance. Remember, open communication with your doctor is key to managing your reproductive health effectively.

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