Take your pill at the same time every day. Each dose should come no more than 24 hours after the last dose. Avoid smoking cigarettes while taking birth control pills.
Smoking greatly increases the risk of having a heart attack, stroke, or blood clot.
They cause the cervical mucous to thicken, which makes it harder for sperm to move toward the uterus, and they prevent the attachment of an egg to the uterus. Birth control pills are used to prevent pregnancy. Birth control pills may also be used for purposes other than those listed in this medication guide. You may not be able to take birth control pills, or you may require a lower dose or special monitoring during treatment if you have any of the conditions listed above. This means that birth control pills will cause birth defects in an unborn baby.