Birth Control Pills: Is Your Experience Normal? - Obstetrics and Gynecology

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Contraceptive pill issues


Hello doctor, I would like to ask about my birth control pills.
This month I am on my second pack of Yaz.
I had sexual intercourse with my boyfriend on the 12th, 13th, and 14th without using condoms.
On the 14th, I noticed a little bit of bleeding, and for the following days, I continued to have brown discharge.
Sometimes I also experienced nausea and dry heaving.
By the 23rd, I had only four pills left in the pack, and I noticed a heavier red flow.
I started a new pack on the 26th.
Is this normal? Is there still a possibility of pregnancy?

Xue, 10~19 year old female. Ask Date: 2023/09/29

Dr. Zhang Kunmin reply Obstetrics and Gynecology


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

Reply Date: 2023/09/29

More Info


When it comes to understanding birth control pills and their effects, it's important to consider several factors, including the timing of your pill intake, any missed doses, and how your body reacts to hormonal changes. Based on your description, it seems you are experiencing some unusual symptoms while on the pill, which can understandably cause concern.

Firstly, the spotting or light bleeding you experienced on the 14th, followed by brown discharge, can be attributed to a few different factors. Breakthrough bleeding is a common side effect of hormonal contraceptives, especially during the first few months of use or when switching brands. This occurs because the body is adjusting to the hormones in the pill. The brown color of the discharge typically indicates older blood, which is often not a cause for alarm.

The nausea and feelings of vomiting you mentioned could also be side effects of the birth control pill. Hormonal contraceptives can sometimes cause gastrointestinal symptoms, particularly when you first start taking them or if you are not consistent with your dosage. If you have been taking the pill regularly and have not missed any doses, these symptoms may simply be your body adjusting to the medication.

Regarding your concern about the effectiveness of the pill, it is crucial to take the pill at the same time every day to maintain its efficacy. If you have taken your pills consistently and have not missed any doses, the likelihood of pregnancy is significantly reduced. However, if you missed any doses or did not take them as prescribed, this could compromise the effectiveness of the pill, increasing the risk of pregnancy.

Since you mentioned that you had unprotected intercourse on the 12th, 13th, and 14th, and then experienced bleeding, it is important to consider the timing of your menstrual cycle. If you were in the early part of your cycle when you started the pill, the bleeding could be related to the hormonal changes rather than a sign of pregnancy. However, if you are concerned about the possibility of being pregnant, it would be wise to take a home pregnancy test after a missed period or consult with your healthcare provider for further evaluation.

In summary, while the symptoms you are experiencing can be normal side effects of birth control pills, it is essential to monitor your body’s reactions and maintain consistent usage of the medication. If you continue to experience unusual symptoms or have concerns about potential pregnancy, do not hesitate to reach out to your healthcare provider for personalized advice and support. They can provide you with the most accurate information based on your medical history and current situation.

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