Irregular Bleeding with Emergency Contraceptive Pills - Obstetrics and Gynecology

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Emergency contraceptive pill


Hello doctor, this is my first time taking oral contraceptives.
I started my period on August 16 and began taking the pill (Yaz) on the first day of my period.
Since then, I have experienced light bleeding with small clots, and this has continued until today, September 5, with ongoing light bleeding and clots.
Is this situation normal? It feels like my period hasn't stopped 😭😭.
Since it's my first time taking oral contraceptives to regulate my menstrual cycle and for contraception, I'm unsure why it has lasted so long!

Yi, 30~39 year old female. Ask Date: 2021/09/05

Dr. Huang Zifei reply Obstetrics and Gynecology


Dear Yi,
Most oral contraceptives can cause a reduction in menstrual flow, and some may have side effects such as spotting.
It is recommended to try a different brand.
However, for any abnormal bleeding, it is advisable to take a pregnancy test to rule out the possibility of pregnancy.
If you have any further questions, please consult a gynecologist.

Dr.
Huang Zifei, Department of Obstetrics and Gynecology, Nantou Hospital

Reply Date: 2021/09/05

More Info


When starting a new contraceptive method, such as emergency contraceptive pills (ECPs), it is not uncommon to experience irregular bleeding or changes in your menstrual cycle. In your case, since you began taking the contraceptive pill on the first day of your period, it is important to understand how hormonal contraceptives can affect your menstrual cycle.

Hormonal contraceptives work by altering the levels of hormones in your body, specifically estrogen and progesterone. These hormones play a crucial role in regulating your menstrual cycle. When you start taking a contraceptive pill, especially for the first time, your body may take some time to adjust to the new hormone levels. This adjustment period can lead to various side effects, including spotting or breakthrough bleeding, which is what you seem to be experiencing.

The fact that you are experiencing a prolonged period of light bleeding and blood clots can be attributed to several factors:
1. Hormonal Adjustment: Your body is adjusting to the new hormones introduced by the contraceptive pill. This adjustment can cause irregular bleeding patterns, especially in the first few months of use.

2. Breakthrough Bleeding: This is common when starting hormonal contraceptives. It can occur as your body adapts to the changes in hormone levels. Breakthrough bleeding is usually light and may be accompanied by small blood clots.

3. Dosage and Type of Pill: Different contraceptive pills have varying hormone compositions. If the pill you are taking has a lower dose of hormones, it may lead to lighter periods or spotting. If you feel that the bleeding is excessive or concerning, it may be worth discussing with your healthcare provider whether a different formulation might be more suitable for you.

4. Underlying Conditions: In some cases, prolonged bleeding can be a sign of an underlying condition, such as fibroids or polyps, especially if the bleeding is heavy or accompanied by severe pain. However, this is less common in the context of starting a new contraceptive.

5. Stress and Lifestyle Factors: Stress, changes in weight, and other lifestyle factors can also impact your menstrual cycle. If you have experienced significant stress or changes in your routine, this could contribute to irregular bleeding.

In general, light spotting or irregular bleeding during the first few months of starting a contraceptive pill is usually not a cause for concern. However, if the bleeding persists beyond three months, becomes heavy, or is accompanied by severe pain, it is advisable to consult with your healthcare provider. They can assess your situation, rule out any potential issues, and provide guidance on whether you should continue with the current pill or consider alternative options.

In summary, while your experience of prolonged light bleeding and blood clots can be concerning, it is often a normal part of the adjustment period when starting a new contraceptive pill. Monitoring your symptoms and maintaining open communication with your healthcare provider will help ensure that you receive the appropriate care and support during this transition.

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