Conception Chances After Birth Control Use

Probability of conception

Hello doctor, I have been taking Diane contraceptive pills for two months to regulate my menstrual cycle.
The first day of my last period was April 26, and this time it started on May 24.
If I have sexual intercourse on May 28 (the fifth day of my period) without ejaculation (but I'm not sure if any semen might have entered), and I start taking the first pill of Diane that evening, is there a chance I could get pregnant? Also, when would my next ovulation day be? Thank you!

Jia Jia, 20~29 year old female. Ask Date: 2016/05/30

Dr. Zhang Kunmin reply Obstetrics and Gynecology

What you need is not medical advice but rather a refresher on sexual health knowledge.
For such questions, it is recommended to refer to the National Health Administration's "Sexual Happiness e-Learning" or the Obstetrics and Gynecology Society's "Consultation Guide for Adolescent Contraception" at http://goo.gl/dc6PfW.

Hello, based on your description, the chances of pregnancy are low.
When taking birth control pills, ovulation does not occur.
However, if your period is more than a week late, it is advisable to take a urine test to check for pregnancy.
Thank you! Wishing you peace and health.

Dr.
Zhang

Reply Date: 2016/05/30

More Info

Understanding conception chances after using birth control, such as the Diane pill, involves several factors, including the timing of intercourse, the effectiveness of the pill, and individual menstrual cycles.
The Diane pill, which is a combination of estrogen and progestin, is designed to prevent ovulation, thicken cervical mucus, and thin the uterine lining. When taken correctly, it is over 99% effective in preventing pregnancy. However, it is essential to understand how the timing of your pill intake and sexual activity can influence your chances of conception.

In your case, you mentioned that you started taking the Diane pill two months ago and that your last menstrual period began on April 26, with your next period starting on May 24. If you had sexual intercourse on May 28, which is the fifth day of your menstrual cycle, and you began taking the Diane pill that evening, the likelihood of becoming pregnant is quite low.
Typically, ovulation occurs approximately 14 days before the start of your next period. Since your cycle appears to be around 28 days, you would likely ovulate around June 10. However, since you started taking the pill on May 28, it would suppress ovulation, making it unlikely that you would ovulate during that cycle.
If you had unprotected intercourse before starting the pill, there is a slight risk of pregnancy, especially if you were not on the pill long enough for it to be fully effective. However, since you mentioned that there was no ejaculation inside, the risk is further reduced.
To summarize, your chances of becoming pregnant from the encounter on May 28 are minimal, especially since you began taking the Diane pill that evening. It is important to continue taking the pill as directed to maintain its effectiveness.
Regarding your next ovulation date, if you continue taking the Diane pill consistently, you may not have a typical ovulation cycle, as the pill works to prevent ovulation. If you stop taking the pill in the future, your body will take some time to return to its natural cycle, and ovulation may not occur immediately.

In conclusion, while the Diane pill is highly effective in preventing pregnancy, it is crucial to take it consistently and as directed. If you have concerns about your contraceptive method or potential pregnancy, consider consulting with a healthcare provider for personalized advice and guidance. They can provide you with more information about your menstrual cycle, ovulation, and the effectiveness of your birth control method.

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