how long does it take for the birth control pills to be effective?
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When taking the first dose later than 5 days after the first day of the cycle, these pills take 2 days to be effective. Combination pills contain two hormones that prevent ovulation. The first pill is taken on the Sunday following a woman's period. These pills take 7 days to become fully effective.
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Everybody acts differently, some may take a couple of weeks to ovulate, other may take some months, but in general your body should be in "normal mode" within less than two to three months after stopping the pill.
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Plan B must be taken within 72 hours of unprotected sex or a birth control failure in order to be effective. It is best to take it as soon as possible, because Plan B is more effective the sooner you take it.
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How effective is the minipill? When starting on the minipill, you are protected against pregnancy right away if you take the pill up to 5 days after the start of your period. If you take your first pill more than 5 days after the start of your period, use additional birth control for the first 2 days.
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For most regular birth control pills, you take one dose of 2 to 5 pills as soon as you can. Then you take a second dose 12 hours later. The dose depends on the type of pill.
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Because it is most effective when taken as soon as possible (up to 72 hours after unprotected sex), consider having a ready supply in your medicine cabinet. Better yet, use a reliable form of birth control, and plan for a backup method of birth control.
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If you start taking the combination pill on the first day of your period, you'll be protected against pregnancy right away. However, if you don't begin your pill pack until after your period has started, you'll need to wait seven days before having unprotected sex.
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For the first 7 days of taking the Pill, a girl should use an additional form of contraception, such as condoms, to prevent pregnancy. After 7 days, the Pill should work alone to prevent pregnancy.
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If you take combination birth control pills to improve acne, it may take anywhere from a few weeks to 2 to 3 months before you notice a visible improvement.
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Like all medications, birth control pills can have side effects. But most usually go away after 2 or 3 months.
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So there's no need to wait for the first day of your period to start taking your birth control pills — you can start whenever you like! At the longest, you'll only have to wait seven days for the pills to start being effective.
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How Long Does a Birth Control Patch Take to Work? The time it takes for a birth control patch to become effective depends on when you had your last period. If you start using the patch within the first part of your period, usually the first five days or so, the patch will start working immediately.
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This medication works in the body for several days after you take the dose. To avoid the risks of harm to the developing baby, if you are child-bearing age and may become pregnant, be sure to use an effective form of birth control for 7 days after taking this medication.
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Combination Birth Control Pills If a combination birth control pill (estrogen + progestin pills in a 21- or 28-day pack) is started for the first time on the Sunday after your period begins, your period should occur about 25 days later.
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So there's no need to wait for the first day of your period to start taking your birth control pills — you can start whenever you like! At the longest, you'll only have to wait 7 days for the pills to start working.
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That means that if your period starts on a Wednesday morning, you can start the pill up to the following Monday morning to be protected right away. If you start at any other time during your menstrual cycle, you'll be protected from pregnancy after 7 days of using the pill.
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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."