Dismiss Modal

Definition

Birth Control: The Pill

Choose a preferred language

Birth control pills contain hormones that help prevent pregnancy. The pills are prescribed by your healthcare provider. There are many types of birth control pills available. If you have side effects from one type of pill, tell your healthcare provider. They may be able to prescribe a pill that works better for you.

Closeup of hands holding birth control pills.


Pregnancy rates

Talk to your healthcare provider about the effectiveness of this birth control method.


Using the pill

  • Take 1 pill daily. Take it at around the same time each day.

  • Follow your healthcare provider’s guidelines on when to start your first pack of pills. You may need to use another form of birth control for a week or more after you start.

  • Know what to do if you forget to take a pill. (Contact your healthcare provider or check the package.) If you miss more than 1 pill, you may need to use a backup method of birth control for a week or more.


Pros

  • Low pregnancy rate

  • No interruption to sex

  • Easy to use

  • Can help make periods more regular

  • May lower your risk of ovarian cysts and certain cancers

  • May decrease menstrual cramps, menstrual flow, and acne


Cons

  • Does not protect against sexually transmitted infections (STIs)

  • Requires taking a pill on time each day

  • May not work as well when taken with certain other medicines (check with your pharmacist)

  • May cause side effects such as nausea, irregular bleeding, headaches, breast tenderness, fatigue, or mood changes (these often go away within 3 months)

  • May increase the risk of blood clots, heart attack, and stroke


The pill may not be for you

The pill may not be for you if:

  • You are a smoker and over age 35

  • You have high blood pressure or gallbladder, liver, cerebrovascular or heart disease

  • You have diabetes, migraines, blood clot in the vein or artery, lupus, depression, certain lipid disorders, or take medicines that interfere with the pill

In these cases, discuss the risks with your healthcare provider.

Featured in

© 2000-2025 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

Find a doctor that's right for you.

From routine check-ups to groundbreaking treatments and beyond, Crestner Health is here to help you live your healthiest life.

Search our doctors
Related Articles
Read article
OB/GYN
When You Have an Abnormal Pap Test

The Pap test is a screening test that checks for cell changes in the cervix, the opening of the uterus. In some cases, it checks for a virus that can cause cervical cancer. If your Pap results were abnormal, you may be worried. But there is no reason to panic. An abnormal Pap test result can mean many things.

Read article
OB/GYN
How Birth Control Works

Birth control prevents pregnancy by preventing conception. Some methods prevent an egg from maturing. Some keep the sperm and egg from meeting. And some methods work in both ways.

Read article
OB/GYN
The Menstrual Cycle: An Overview

A woman is generally most fertile (able to become pregnant) a few days before, during, and after ovulation.

Read article
OB/GYN
Vaginal Infection: Understanding the Vaginal Environment

A normal healthy vaginal environment has bacteria and other organisms. If this becomes out of balance, infection can result.