What would cause my birth control pill to fail and cause pregnancy if taken correctly?

OCP efficacy. 21 year old lady concerned about the efficacy of the oral contraceptive pill. The pill is considered to be 99% effective, but there are certain conditions such as when a woman is taking anticonvulsant medication (tegretol and dilantin) , modafinil, certain antibiotics, obesity, and sometimes even alcohol can effect the efficacy of the pill.

Related Questions

Can the birth control pill cause pregnancy symptoms or could I be pregnant?

Birth Control Pills. Some birth control pills will cause pregnancy symptoms, especially when starting them for the first time. After a while your body adapts to the pills and these symptoms should go away. Still, if you are concerned, you should get a pregnancy test done to make sure you are not pregnant. Read more...

How soon should I take a pregnancy test? I am at the end of my first month of a new birth control pill. The second week, I took a pill a couple of hours late. The health information that came with my pill said that might cause me to go without a period th

A . A home pregnancy test is 97% accurate 1-2 weeks after your missed period or 5-6 weeks after your last normal period. Good luck! Read more...
Pregnancy test. If you miss your period by 4-5 days, do a home pregnancy test. If the result is negative repeat the test 4-5 days later unless you get a period by then. Use first morning urine and follow the instructions for the test carefully.
If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD.
Practice safe sex.
Get HPV vaccine,
. Read more...

Can switching to birth control pill while still on Depo-Provera cause high risk pregnancy in the future?

No. Switching from depo to ocps has no bearing on pregnancy status in the future. If you have medical conditions that make you a high risk pt in pregnancy, these won't change unless you have complications attributed to your pills (stroke, clots, embolization events, etc). You will be advanced maternal age (ama = >35 yo) but i don't consider this high risk by itself. Take good care of yourself. Read more...

Will a birth control pill taken an hour and a half early lead to pregnancy

No. The half life of the birth control pill is about 24 hrs. You should be protectedeven if you forget to take it for 24 hrs. I wouldnt recommend it but you should be protected. Read more...

What % pregnancy protection with birth control pill use?

Approaches 99% With typical use, birth control pill efficacy rates is about 92%. With perfect use, efficacy rate is over 99%. Nothing is 100% except abstinence. Remember to take your pill daily around the same time of day to achieve optimal results. Read more...