Yaz Birth Control: Dosage, Menstrual Impact, and Usage Guidelines - Obstetrics and Gynecology

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Hello doctor, I have been taking Yaz (28 tablets) for a year.
This month, I have one white inactive pill left, and my period started today.
Can I skip the last white inactive pill and start the first pink active pill of the next pack? Will this affect the timing of my next period? Also, is there an age limit for continuing to take birth control pills? Can I continue taking them if I have polycystic ovary syndrome (PCOS)? Thank you, doctor.

Xiao Rou, 30~39 year old female. Ask Date: 2019/11/06

Dr. Huang Jianzhong reply Obstetrics and Gynecology


I have been taking Yaz 28 for a year, and this month I have one white inactive pill left.
My period started today, so I don't need to take the last white inactive pill and can directly start with the first pink active pill of the next pack, right? Answer: Yes.
Will this affect the timing of my next period? Answer: No.
Is there an age limit for continuing to take birth control pills? Answer: No.
Can I continue taking them if I have polycystic ovary syndrome? Answer: Yes.

Reply Date: 2019/11/06

More Info


When it comes to understanding Yaz birth control, it's essential to grasp its dosage, menstrual impact, and usage guidelines. Yaz is a combination oral contraceptive that contains drospirenone and ethinyl estradiol. It is typically prescribed for preventing pregnancy, managing menstrual cycles, and treating conditions like premenstrual dysphoric disorder (PMDD) and acne.


Dosage and Administration
Yaz is usually taken as a 28-day cycle, consisting of 24 active pills (the colored ones) and 4 inactive pills (the white ones). The active pills contain hormones that prevent ovulation, while the inactive pills allow for a withdrawal bleed, similar to a menstrual period. If you have taken Yaz consistently for a year and are down to the last white inactive pill, you are correct in your understanding: you do not need to finish the inactive pills before starting the next pack. You can start the next pack with the first pink active pill immediately after finishing the last white pill. This practice is common and does not typically affect the timing of your next menstrual period.


Impact on Menstrual Cycle
Continuing to take Yaz as prescribed can help regulate your menstrual cycle. However, if you skip the inactive pills and start the next pack right away, you may experience changes in your menstrual cycle. Some women may find that their periods become lighter or even stop altogether while on Yaz, which is a common effect of hormonal birth control. If you have concerns about how this might affect your cycle, it's advisable to discuss them with your healthcare provider.


Age and Long-term Use
Regarding age and the long-term use of birth control pills like Yaz, there is no strict age limit for taking these medications. However, as women age, particularly after 35, the risk of certain side effects, such as blood clots, increases. Therefore, healthcare providers often evaluate the risks and benefits of continuing hormonal contraceptives in older women. Regular check-ups and discussions with your doctor are essential to ensure that continuing Yaz remains safe and appropriate for you.


Polycystic Ovary Syndrome (PCOS)
For women with Polycystic Ovary Syndrome (PCOS), Yaz can be beneficial. It helps regulate menstrual cycles, reduce androgen levels, and manage symptoms like acne and excessive hair growth. Many healthcare providers recommend Yaz for women with PCOS due to its ability to provide hormonal balance. However, it is crucial to have ongoing discussions with your healthcare provider about your specific health needs and any potential side effects.


Conclusion
In summary, you can start your next pack of Yaz immediately after finishing the last inactive pill without affecting your menstrual cycle significantly. Long-term use is generally safe, but regular consultations with your healthcare provider are essential, especially as you age or if you have conditions like PCOS. Always discuss any concerns or side effects you experience while on birth control with your doctor to ensure the best care for your reproductive health.

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