how long does it take birth control to adjust?
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It can take two to three months for your body to adjust to the hormones in a new birth control pill (or other form or hormonal birth control like the patch or shot), and that can mean side effects like acne or weight gain (though this is usually water retention, not extra fat).
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The birth control patch for women is a type of contraception that contains the hormones estrogen and progestin. You place the small patch on your skin once a week for three weeks, so that you wear a patch for a total of 21 days. During the fourth week, you don't wear a patch — which allows menstrual bleeding to occur.
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"The effects of the pill generally only last 24-hours. That's why you need to take it every day, and not once a week, for example, since the body breaks down the hormones on a daily basis. Therefore, there's no significant cumulative effect of taking the pill: no build-up of hormones after over 21 days' tablets."
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You can start using the birth control patch as soon as you get it — any day of the month, and anytime during your menstrual cycle. But depending on when you start the patch, you may need to use a backup birth control method (like condoms) for the first 7 days.
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You can start taking the birth control pill any day of the month. But depending on when you start and the kind of pill you're using, you may need to use a backup birth control method — like condoms — for up to 7 days.
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"When you first start taking the pill, it will take 7 days to work," the experts at Clue said, advising: "So you will need to use additional contraception (such as condoms) during these days." Good to know.
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For women who use the birth control shot, it can take anywhere between three and six months for the body to completely rid itself of birth control hormones.
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It depends on when you start taking them and what type of pills you're using. You can start taking the birth control pill any day of the month. But depending on when you start and the kind of pill you're using, you may need to use a backup birth control method — like condoms — for up to 7 days.
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The birth control pill birth regulates the menstrual cycle. Most types of pill work in 4-week cycles. A person on one of these pills can expect a period about every 28 days. Depending on the type of birth control, some people may experience periods more frequently than usual.
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According to the Center for Young Women's Health, most side effects of birth control pills go away after the person has been taking the pills for a few days. A person will usually experience fewer side effects after taking the pills for 3–4 months.
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In most cases, the side effects will resolve once the body has a few cycles to adjust to the higher levels of hormones. This usually takes about three to four months. If you're still experiencing side effects after three or four months or if your side effects become more severe, make an appointment with your doctor.
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Common Side Effects You Might Experience It's no secret that switching to a new birth control can produce side effects. These vary by woman and by pill formula, however, you can expect these symptoms to disappear after two or three months.
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Because each birth control pill uses a different progestin, it's far from uncommon to experience a slight difference in results between birth control pills. It's also normal for acne to persiste for a few months after you start using birth control -- normally, it takes about three months to clear.
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It isn't actual fat gain. One literature review found that study participants gained, on average, fewer than 4.4 pounds after 6 or 12 months of using a progestin-only pill. If you gain substantially more than that after starting hormonal birth control, your weight gain is likely caused by something else.
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When you start the pill for the first time, or after a break from the pill, it can take up to 12 days to start working to prevent pregnancy.
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People who frequently use Plan B may find that their periods become irregular. This is because the progestin can disrupt the natural menstrual cycle, and it can take about 1 month for the body to readjust.
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According to Sherry Ross, MD, OB-GYN, and women's health expert in Los Angeles, these side effects are usually temporary. Most side effects will fade after you've been on the pill for two to three months.