Is There A Chance I Could Be Pregnant?

Published: June 07, 2016
Dear TeenHealthFX,
I started taking birth control in April. The doctor who prescribed it to me said it would take one week for it to take effect, I waited a week and my boyfriend and I decided to try sex without a condom. After a minute or two, I felt uncomfortable with it and asked if he would put one on, he did and we finished. After that, I only had one HUGE blood clot and no bleeding after that. Is there a chance I could be pregnant?
Signed: Is There A Chance I Could Be Pregnant?

Dear Is There A Chance I Could Be Pregnant?,

When taken correctly, birth control pills will start to protect you from pregnancy after the first week. Anyone starting the pill for the first time should use a back-up method of birth control during the first 7 days of the pill package to prevent unwanted pregnancies. From what you described you did wait the recommended one week before having sex. In addition, your boyfriend did put on a condom prior to ejaculation. Given those two factors, TeenHealthFX would say that it is extremely unlikely you are pregnant.

FX would also like you to be aware that a missed or lighter period while on the pill does not necessarily indicate pregnancy. If you miss one menstrual period, or have a lighter period, and you have not missed any pills, everything is probably fine. (However, if you skip two periods, have missed pills or are simply concerned, it is best to check in with your healthcare provider).  

While FX does think it is very unlikely for you to be pregnant, it is important to know that there is no method of birth control that is 100% effective. Abstinence is the only way to have 100% protection against unwanted pregnancies. In addition, it is possible to become pregnant from pre-ejaculatory fluids, as they do contain sperm. So there is always a chance pregnancy could occur with vaginal intercourse. However, the chance is significantly lowered when using birth control. According to Planned Parenthood:

  • Less than 1 out of 100 women will get pregnant each year if they always take the pill each day as directed.
  • About 9 out of 100 women will get pregnant each year if they don’t always take the pill each day as directed.

And if you condoms in addition to the pill, it is a great way to get extra pregnancy prevention AND protect against the transmission of STDs.

For more information about the pill, visit the Center for Young Women’s Health or Planned Parenthood. If you have any questions or concerns, or you miss another period, contact your healthcare provider. If you don't have a doctor and live in northern New Jersey, you can call the Adolescent/Young Adult Center for Health at 973-971-5199 for an appointment with an adolescent medicine specialist or contact your local teen health center or Planned Parenthood. You can also contact your insurance company for a list of in-network providers.

Signed: TeenHealthFX

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