Delayed Periods and Brown Discharge on Birth Control - Obstetrics and Gynecology

Share to:

The menstrual period is delayed by one day while on birth control pills?


My menstrual cycle is very regular, occurring every 25 days.
I have been taking birth control pills for six months, and although I take them daily, the timing is not consistent.
Doctor, could I be pregnant? Also, why is the blood brown? My period started on March 25, and I had sexual intercourse on April 2, April 3, April 4, and April 12 (the only form of protection was the birth control pills).
My period was due on April 19, but it did not come.
On April 20, around noon, I experienced some abdominal pain, but the blood was brown and the amount was very little; it doesn’t feel like my regular period.
Thank you, doctor.

123, 20~29 year old female. Ask Date: 2023/04/20

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, it is unlikely that you are pregnant; it is possible that your menstrual period is approaching.
Just monitor the situation.
Wishing you good health.

Reply Date: 2023/04/20

More Info


When it comes to understanding delayed periods and brown discharge while on birth control, there are several factors to consider. First, it's important to recognize that birth control pills are designed to regulate menstrual cycles, but they can also cause changes in bleeding patterns, especially if they are not taken consistently at the same time each day.
In your case, you mentioned that you have been taking birth control pills for six months but have not been consistent with the timing of your doses. This inconsistency can lead to hormonal fluctuations that may affect your menstrual cycle. The brown discharge you are experiencing could be a sign of old blood being expelled from the uterus, which is not uncommon, especially when there are changes in hormonal levels.
The timing of your sexual activity is also relevant. You had unprotected intercourse on several occasions, and while birth control pills are generally effective at preventing pregnancy when taken correctly, inconsistent use can increase the risk of pregnancy. If you are concerned about the possibility of being pregnant, it would be wise to take a home pregnancy test. These tests are most accurate when taken after a missed period, so if your period does not arrive soon, testing would be advisable.

The brown discharge you described on April 20 could be due to several reasons:
1. Implantation Bleeding: If you are pregnant, some women experience light spotting when the fertilized egg implants into the uterine lining. This spotting is often brownish in color.

2. Hormonal Changes: As mentioned earlier, inconsistent use of birth control can lead to hormonal fluctuations, which may cause irregular bleeding or spotting.

3. Menstrual Cycle Variations: Sometimes, the body can have variations in the menstrual cycle, leading to lighter or different colored periods. Brown discharge can occur at the beginning or end of a menstrual period as the body sheds old blood.

Given your situation, here are some recommendations:
- Take a Pregnancy Test: If your period does not arrive soon, taking a home pregnancy test can help clarify whether or not you are pregnant. Follow the instructions carefully for the most accurate results.

- Consult Your Healthcare Provider: If you continue to experience irregular bleeding or have concerns about your birth control method, it’s important to speak with your healthcare provider. They can provide guidance on the effectiveness of your current method and discuss alternative options if necessary.

- Consider Consistency with Birth Control: To maximize the effectiveness of your birth control pills, try to take them at the same time every day. This helps maintain stable hormone levels and can reduce the likelihood of irregular bleeding.

In summary, while it is possible that you could be pregnant given the circumstances, the brown discharge you are experiencing could also be attributed to hormonal changes or other benign factors. Monitoring your symptoms and consulting with a healthcare professional will provide you with the best course of action.

Similar Q&A

Is It Normal to Experience Brown Discharge Before Finishing Birth Control?

Hello, I am currently in my second cycle of taking birth control pills. However, I still have 4 days of pills left to take this cycle, and today I noticed some brown spotting. It feels like my menstrual cycle is about to start. Is this normal?


Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the occurrence of menstruation while taking birth control pills may be due to the design of the contraceptive (such as a 28-day regimen), fluctuations in the drug concentration in the bloodstream, hormonal imbalances in the woman, or missed doses. It is advisable to consul...

[Read More] Is It Normal to Experience Brown Discharge Before Finishing Birth Control?


Brown Discharge After Taking Menstrual Delay Pills: What to Do?

My last menstrual period started on January 21, and I expect my next one to occur between February 21 and 25. Since I have a long weekend planned and want to avoid a conflict, I took Lymecycline to delay my period. On the evening of February 17, I noticed a small amount of brown ...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, please continue to monitor your observations. If the amount increases significantly, it may indicate that your menstrual period is approaching. Wishing you good health.

[Read More] Brown Discharge After Taking Menstrual Delay Pills: What to Do?


Unexpected Brown Discharge with Blood After Long-term Birth Control Use

Hello Doctor, I have been taking oral contraceptives for over a year now. Initially, I was on "Yasmin" and experienced some spotting issues, but after switching to "Warm Infertility T28," I did not have any spotting problems. This month, I am currently in the ...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, please observe for a few days. If there is no improvement, it is recommended to see a gynecologist. Wishing you good health.

[Read More] Unexpected Brown Discharge with Blood After Long-term Birth Control Use


Understanding Brown Discharge: Is It a Side Effect of Birth Control?

Dear Doctor, I started taking the contraceptive pill on the 10th of this month, and two days ago I noticed that my vaginal discharge had a slight brownish tint. Could this be an indication of unstable bleeding caused by the birth control pill? Thank you.


Dr. Lin Wenbin reply Obstetrics and Gynecology
The likelihood is very high, but it still requires examination by a physician.

[Read More] Understanding Brown Discharge: Is It a Side Effect of Birth Control?


Related FAQ

Delayed Menstruation

(Obstetrics and Gynecology)

Medication To Delay Menstruation

(Obstetrics and Gynecology)

Menstrual Abnormalities

(Obstetrics and Gynecology)

Contraceptive Pill

(Obstetrics and Gynecology)

Medication To Induce Menstruation

(Obstetrics and Gynecology)

Premenstrual Syndrome

(Obstetrics and Gynecology)

Abnormal Bleeding

(Obstetrics and Gynecology)

Menstrual Cramps

(Obstetrics and Gynecology)

Bleeding Outside Of Menstruation

(Obstetrics and Gynecology)

Due Date

(Obstetrics and Gynecology)