Pregnancy Concerns After Starting Birth Control Pills: What to Know - Obstetrics and Gynecology

Share to:

Emergency contraceptive pills, pregnancy?


You started taking the oral contraceptive pill on January 6 (you had not previously been on any form of contraception).
You had unprotected intercourse on January 16 and 17, and you finished the course of the contraceptive pill on January 28.
Since around January 26, you have been experiencing a small amount of brown discharge, and your period has not yet arrived.
Given this information, is there a possibility of pregnancy?

Miss Lin, 20~29 year old female. Ask Date: 2019/01/30

Dr. Huang Jianzhong reply Obstetrics and Gynecology


I started taking the oral contraceptive pill on January 6th (I had not previously used oral contraceptives).
I had unprotected intercourse on January 16th and 17th, with no ejaculation inside.
I finished taking the contraceptive pills on January 28th.
Starting around January 26th, I have been experiencing a small amount of brown discharge, and my period has not yet arrived; I only have a little bit of brown discharge.
Is there a possibility of pregnancy? Answer: The likelihood of pregnancy is low.

Reply Date: 2019/01/30

More Info


When it comes to concerns about pregnancy after starting birth control pills, it’s important to understand how these medications work and the potential implications of your recent experiences. Birth control pills, particularly combined oral contraceptives, are designed to prevent ovulation, thicken cervical mucus, and thin the uterine lining, thereby reducing the likelihood of pregnancy. However, there are several factors to consider regarding your situation.

1. Timing and Effectiveness of Birth Control Pills: Since you began taking the birth control pills on January 6 and had unprotected intercourse on January 16 and 17, it’s crucial to note that the effectiveness of the pills typically increases after seven consecutive days of use. If you started taking the pills as directed and continued without missing any doses, you would likely be protected from pregnancy during the time of intercourse. However, if you started the pills later than the recommended time or missed doses, the risk of pregnancy could increase.

2. Brown Discharge: The brown discharge you are experiencing could be a result of several factors. It is not uncommon for women to experience spotting or breakthrough bleeding when they first start taking birth control pills. This can happen as your body adjusts to the hormones in the pills. The brown color often indicates old blood, which is typically not a cause for concern. However, if the discharge continues or is accompanied by other symptoms such as pain or a strong odor, it would be advisable to consult with a healthcare provider.

3. Missed Period: If your period does not arrive as expected after completing the pack of birth control pills, it could be due to the hormonal changes induced by the pills. Some women experience lighter periods or even missed periods when on hormonal contraception. If you have taken your pills consistently and correctly, the likelihood of pregnancy is low, but it is not impossible. If you are concerned about the possibility of pregnancy, taking a home pregnancy test can provide clarity. These tests are most accurate when taken after a missed period.

4. Consulting a Healthcare Provider: If you continue to have concerns about your symptoms or the possibility of pregnancy, it is always best to consult with a healthcare provider. They can perform a pregnancy test and provide guidance based on your specific situation. Additionally, they can help address any concerns regarding the side effects of birth control pills and discuss alternative contraceptive methods if necessary.

5. Understanding Your Body: It’s essential to be aware of how your body reacts to hormonal changes. Some women may experience irregular bleeding or spotting when starting birth control, while others may find their cycles become more regular. Keeping track of your symptoms and any changes in your menstrual cycle can help you and your healthcare provider make informed decisions about your reproductive health.

In summary, while the chances of pregnancy are reduced when taking birth control pills correctly, it is still possible, especially if there were any lapses in usage. The brown discharge you are experiencing could be a normal side effect of starting the pill, but if you have concerns about pregnancy or your menstrual cycle, consulting with a healthcare provider is the best course of action. They can provide personalized advice and support based on your health history and current situation.

Similar Q&A

Understanding Side Effects of Birth Control Pills and Pregnancy Risks

Hello doctor, I would like to ask a question. I have been taking the Alesse 21-day birth control pill for six months, but after finishing the pack in February, my period did not start until the sixth day after finishing the pills. I began taking the birth control pills again on t...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, it could be related to taking birth control pills. If you have been taking them normally before, just monitor the situation. Typically, regular birth control pills start from the fifth day of your menstrual cycle. If you are taking emergency contraception, it will provide ...

[Read More] Understanding Side Effects of Birth Control Pills and Pregnancy Risks


Understanding Birth Control Pills: Risks, Side Effects, and Pregnancy Concerns

I would like to ask the doctor, I have been taking birth control pills for almost four months (my last period started on March 23 and ended on March 27). On the seventh day of the fourth month (April 2), I decided to stop taking the pills suddenly (because I felt side effects and...


Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the number of pills in each type of combined oral contraceptive varies, and it is important to take the pills as directed. If you forget to take a pill, you should take it as soon as you remember, and continue taking the next pill at the usual time. If you miss a dose of a...

[Read More] Understanding Birth Control Pills: Risks, Side Effects, and Pregnancy Concerns


Can Taking Birth Control Pills Lead to Pregnancy? Common Concerns Explained

Hello, doctor. This is my first month on the contraceptive pill, specifically 28 tablets of Loestrin, which I started taking on the first day of my menstrual period. I had unprotected intercourse starting on the eighth day and have done so several times since, but I have taken my...


Dr. Zhang Kunmin reply Obstetrics and Gynecology
A physician must personally examine a patient before administering treatment, prescribing medication, or providing a diagnosis. Hello, the combined oral contraceptive (COC) must be taken at the same time every day, and proper usage can achieve a 99% effectiveness rate in preven...

[Read More] Can Taking Birth Control Pills Lead to Pregnancy? Common Concerns Explained


Understanding Birth Control Side Effects and Menstrual Irregularities

Hello doctor, I have been taking birth control pills for over a month now. When I first started taking them, I experienced symptoms like breast enlargement and nausea, which made me think I might be pregnant due to contraceptive failure. Later, my period came before I finished th...


Dr. Lin Zhaopei reply Obstetrics and Gynecology
1. It is likely due to the body not yet adapting to the contraceptive pill. 2. It should not be menstruation; it is irregular spotting. 3. It is likely a side effect of the contraceptive pill. 4. Taking it on the 6th day yields better results. 5. It is recommended to swit...

[Read More] Understanding Birth Control Side Effects and Menstrual Irregularities


Related FAQ

Birth Control Pills

(Obstetrics and Gynecology)

Contraceptive Pill

(Obstetrics and Gynecology)

Emergency Contraceptive Pill

(Obstetrics and Gynecology)

Abortion Pill

(Obstetrics and Gynecology)

Drug Side Effects

(Obstetrics and Gynecology)

Contraceptive Pills

(Pharmacology)

Am I Pregnant?

(Obstetrics and Gynecology)

Early Pregnancy

(Obstetrics and Gynecology)

Menstrual Abnormalities

(Obstetrics and Gynecology)

Want To Get Pregnant

(Obstetrics and Gynecology)