Oral contraceptives how do they work




















You will probably experience withdrawal bleeding similar to a menstrual period while you are taking the inactive tablets or the low dose estrogen tablets or during the week that you do not take your oral contraceptive. If you are taking the type of packet that only contains active tablets, you will not experience any scheduled bleeding, but you may experience unexpected bleeding and spotting, especially at the beginning of your treatment.

Be sure to start taking your new packet on schedule even if you are still bleeding. You may need to use a backup method of birth control if you vomit or have diarrhea while you are taking an oral contraceptive.

Talk to your doctor about this before you begin to take your oral contraceptive so that you can prepare a backup method of birth control in case it is needed. If you vomit or have diarrhea while you are taking an oral contraceptive, call your doctor to find out how long you should use the backup method. If you have recently given birth, wait until 4 weeks after delivery to begin taking oral contraceptives.

If you have had an abortion or miscarriage, talk to your doctor about when you should begin taking oral contraceptives. Oral contraceptives will work only as long as they are taken regularly. Continue to take oral contraceptives every day even if you are spotting or bleeding, have an upset stomach, or do not think that you are likely to become pregnant. Do not stop taking oral contraceptives without talking to your doctor. Oral contraceptives are also sometimes used to treat heavy or irregular menstruation and endometriosis a condition in which the type of tissue that lines the uterus [womb] grows in other areas of the body and causes pain, heavy or irregular menstruation [periods], and other symptoms.

Talk to your doctor about the risks of using this medication for your condition. This medication may be prescribed for other uses; ask your doctor or pharmacist for more information. If you miss doses of your oral contraceptive, you may not be protected from pregnancy.

You may need to use a backup method of birth control for 7 to 9 days or until the end of the cycle. Every brand of oral contraceptives comes with specific directions to follow if you miss one or more doses. Carefully read the directions in the manufacturer's information for the patient that came with your oral contraceptive. If you have any questions, call your doctor or pharmacist. Continue to take your tablets as scheduled and use a backup method of birth control until your questions are answered.

Oral contraceptives may increase the chance that you will develop liver tumors. These tumors are not a form of cancer, but they can break and cause serious bleeding inside the body.

Oral contraceptives may also increase the chance that you will develop breast or liver cancer, or have a heart attack, a stroke, or a serious blood clot. Talk to your doctor about the risks of using oral contraceptives. Some studies show that women who take oral contraceptives that contain drosperinone Beyaz, Gianvi, Loryna, Ocella, Safyral, Syeda, Yasmin, Yaz, and Zarah may be more likely to develop deep vein thrombosis a serious or life-threatening condition in which blood clots that form in the veins, usually in the legs and may move through the body to the lungs than women who take oral contraceptives that do not contain drosperinone.

However, other studies do not show this increased risk. Before you begin taking oral contraceptives, talk to your doctor about the risk that you will develop blood clots and about which oral contraceptive or other method of birth control may be the best choice for you. Oral contraceptives may cause other side effects. Call your doctor if you have any unusual problems while taking this medication. Keep this medication in the packet it came in, tightly closed, and out of reach of children.

Store it at room temperature and away from excess heat and moisture not in the bathroom. Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them.

However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program. It is important to keep all medication out of sight and reach of children as many containers such as weekly pill minders and those for eye drops, creams, patches, and inhalers are not child-resistant and young children can open them easily.

To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location — one that is up and away and out of their sight and reach. In case of overdose, call the poison control helpline at If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at Keep all appointments with your doctor and the laboratory.

You should have a complete physical examination every year, including blood pressure measurements, breast and pelvic exams, and a Pap test. Follow your doctor's directions for examining your breasts; report any lumps immediately. Before you have any laboratory tests, tell the laboratory personnel that you take oral contraceptives. For others, periods become significantly lighter. Continuous-dosing and extended-cycle pills might provide additional benefits of suppressing menstruation, such as:.

Combination birth control pills aren't appropriate for everyone, however. Your health care provider might suggest you take another form of birth control if you:.

An estimated 9 out of women taking combination birth control pills will get pregnant in the first year of use. With perfect use as directed, the pregnancy rate is less than 1 in women every year. Although taking combination birth control pills during early pregnancy doesn't increase the risk of birth defects, it's best to stop them as soon as you suspect you're pregnant. Combination birth control pills won't protect you from sexually transmitted infections.

Some side effects — including nausea, headaches, breast tenderness and breakthrough bleeding — might decrease with continued use. Combination birth control pills increase the risk of certain conditions, which can be serious. They include:. Consult your health care provider as soon as possible if you're taking combination birth control pills and have:. You'll need to request a prescription for combination birth control pills from your health care provider.

Your health care provider will check your blood pressure, check your weight and review your medical history, including medications you're taking. He or she will also ask about your concerns and preferences to help determine which combination birth control pill is right for you.

Health care providers generally recommend pills with the lowest dose of hormones that will help prevent pregnancy, give you important noncontraceptive benefits and minimize side effects. Although the amount of estrogen in combination pills can be as low as 10 micrograms mcg of ethinyl estradiol, most pills contain about 35 mcg.

Low-dose pills can result in more breakthrough bleeding than pills with more estrogen. Combination pills are categorized based on whether the dose of hormones stays the same or varies:.

Consult your health care provider about a starting date. If you use the quick-start method, you can take the first pill in the pack immediately.

If you use the Sunday start, you'll take your first pill on the first Sunday after your period starts. With either method, use a backup contraception method for the first seven days you take combination birth control pills.

If you use the first-day start, you'll take your first pill on the first day of your next period. No backup method of contraception is needed. Follow your health care provider's instructions carefully. Birth control pills only work if you use them correctly, so make sure you understand the instructions. If you're using conventional combination birth control pills and want to have regular periods, you will take all of the pills in your pack — the active and the inactive ones — and start a new pack the day after you finish your current one.

The Pill also has some side effects that most girls are happy about. It usually makes periods lighter, reduces cramps, and is often prescribed for women who have menstrual problems. Taking the combination Pill often improves acne, and some doctors prescribe it for this purpose.

Combination birth control pills have also been found to protect against some forms of breast disease, anemia , ovarian cysts, and ovarian and endometrial cancers. Young women who can remember to take a pill each day and who want excellent protection from pregnancy use birth control pills. Not all women can — or should — use the Pill. In some cases, medical or other conditions make the use of the Pill less effective or more risky.

For example, it is not recommended for women who have had blood clots, certain types of cancers, or some migraine headaches. It also might not be recommended for girls who have had unexplained vaginal bleeding bleeding that is not during their periods or who think they might be pregnant. Girls who are interested in learning more about different types of birth control, including the Pill, should talk to their doctors or other health professionals.

A doctor or a nurse practitioner NP must prescribe the Pill. He or she will ask about a girl's health and family medical history, and do a complete physical exam, which might include a pelvic exam.

If the doctor or NP prescribes birth control pills, he or she will explain when to begin taking the Pill and what to do if pills are missed. The doctor or NP will usually ask the girl to come back in a few months to have her blood pressure checked and to see if she is having any problems. After that, girls who are having sex should get routine exams every 6 months to a year, or as recommended. Many health and family planning clinics such as Planned Parenthood sell birth control pills for less.

In addition, birth control pills and doctor visits are covered by many health insurance plans. Larger text size Large text size Regular text size. What Is It? How Does It Work? How Is the Pill Taken? Possible Side Effects The birth control pill is a safe and effective method of birth control. The side effects that some women have while on the Pill include: irregular menstrual bleeding more common with the mini-pill nausea, headaches, dizziness, and breast tenderness mood changes blood clots rare in women under 35 who do not smoke Some of these side effects improve over the first 3 months on the Pill.

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