Birth Control Pill

When does the birth control pill become effective?

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2017-05-31 05:27:59
2017-05-31 05:27:59

Regardless of the birth control pill you are taking, per FDA guidelines and standard GYN practice:

  • If you start the pill in the first five days of menstrual bleeding, no backup method is needed.
  • If you start the pill at any other time in your cycle, use a backup method of birth control, like condoms or abstinence from vaginal sex, for the first seven days of that first pack.

You can confirm this information by checking the FDA insert that came with your birth control pill, or by calling your prescriber or pharmacist.

For reasons of patient error, some health care providers recommend that new users, particularly teens, use a back up method for a month because of the increased possibility of missing a pill, not because the pills, when taken as directed, take that long to start to work.

In other countries, patient package inserts may differ. For instance, a link to prescribing information for Diane 35 and Diane 35 ED lists three different rules for timing of effectiveness in the same package insert. See link below for full information.

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2016-07-22 10:17:22
2016-07-22 10:17:22

Regardless of the birth control pill you are taking, per FDA guidelines and standard GYN practice:

  • If you start the pill in the first five days of menstrual bleeding, no backup method is needed.
  • If you start the pill at any other time in your cycle, use a backup method of birth control, like condoms or abstinence from vaginal sex, for the first seven days of that first pack.

You can confirm this information by checking the FDA insert that came with your birth control pill, or by calling your prescriber or pharmacist.

For reasons of patient error, some health care providers recommend that new users, particularly teens, use a back up method for a month because of the increased possibility of missing a pill, not because the pills, when taken as directed, take that long to start to work.

In other countries, patient package inserts may differ. For instance, a link to prescribing information for Diane 35 and Diane 35 ED lists three different rules for timing of effectiveness in the same package insert. See link below for full information.
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2012-11-08 22:24:25
2012-11-08 22:24:25

No. There is no interruption in protection when you change from one pill to another, no matter what the change. In addition, TriSprintec and Tricyclen are equivalent, with the same ingredients at the same strength. Your body doesn't know you cahnged from the brand to the generic.

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2012-11-08 22:24:25
2012-11-08 22:24:25

Regardless of the birth control pill you are taking, per FDAguidelines and standard GYN practice:If you start the pill in the first five days of menstrualbleeding, no backup method is needed.If you start the pill at any other time in your cycle, use abackup method of birth control, like condoms or abstinence fromvaginal sex, for the first seven days of that first pack.You can confirm this information by checking the FDA insert thatcame with your birth control pill, or by calling your prescriber orpharmacist.For reasons of patient error, some health care providers recommendthat new users, particularly teens, use a back up method for amonth because of the increased possibility of missing a pill, notbecause the pills, when taken as directed, take that long to startto work.In other countries, patient package inserts may differ. Forinstance, a link to prescribing information for Diane 35 and Diane35 ED lists three different rules for timing of effectiveness inthe same package insert. See link below for full information.

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2010-04-12 23:21:46
2010-04-12 23:21:46

30 days. One complete pill cycle.

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2009-08-27 12:50:08
2009-08-27 12:50:08

Yes. You are on your period that means that ovulation would have all ready happened and since you are on the pill it didn't happen, so you are safe. Only if you start missing days and days of your pill will you get pregnant .

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Related Questions


If you're switching from one pill to another with no more than the normal sugar-pill break, there is no waiting period for the new pill to become effective.

The chances are so low, I wouldn't be worrying about it.

You can get the first Depo Provera shot when you are on the birth control. It will become effective immediately, and you'll be able to stop the birth control pill at that time.

yes, because it takes atleast at week for the birth control to become effective

If you had missed a pill or been late with a pill, causing you to take the morning after pill, then you should use a back up method of birth control for the next seven days. If you didn't forget a pill or take a pill late, then I'm not sure why you took the morning after pill, but the birth control pill will still be effective even though you took the morning after pill. The morning after pill doesn't make the birth control pill less effective.

For the birth control pill to be effective in preventing pregnancy, you have to take it every day.

Birth control pills can never be considered 100% effective, im 12 and i no that

If all of the pill is still there and you take all of it, yes.

With perfect use, the pill and patch are equally effective. Because you only have to remember to do something with the patch weekly, unlike the pill which is daily, it's harder to make mistakes.

It's easy to change from the birth control pill to Mirena. Continue taking your pill as scheduled until the Mirena insertion. You can have the IUD inserted at any time that you are using an effective method of birth control.

according to AskDocWeb, birth control is still effective while taking Valtrex

Progestins, or artificial progesterones, are used in birth control pills to prevent pregnancy. Estrogen alone is not used in any birth control pill, but only in combination with progestin.

There are many effective products and techniques for birth control. The most effective and popular is the contraceptive pill. Also available are condoms, the coil and the cap.

The implant is more than 99% effective. It is not used with the birth control pill, as doing so provides no contraceptive advantage.

Yes, Ginette 35 is an effective birth control. It is considered to be a contraception and in order for it to work properly, you must take the pill daily.

Oral contraceptives (birth control pills) are 99.9% effective when taken correctly.

Yes, the birth control pill will be effective at any time that you choose that is convenient for you. However, you must take your birth control pills everyday at the same time in order for it to remain effective.

Yes. No birth control is 100% effective.

Vomiting your birth control pill is not effective. Please get help -- using ipecac is dangerous.

Still close enough for the pill to be effective. Don't worry about it.

Yes, it's safe to continue using the birth control pill even while waiting for Jadelle to become effective.

Xanax does not affect birth control and the Pill is not effective two days after sex - you need to take the Pill everyday to prevent pregnancy. The Morning After Pill, (Plan B, Next Choice etc) will still be effective two days after intercourse, the sooner you take it the more effective it is.

Prometrium will not make the birth control pill less effective, but I can't imagine why you would take a birth control with progestin as well as a progesterone pill. Please make sure all of your prescribers are aware of all of the medication you're taking.

yes..its a birth control pill.

Solpadeine is a painkiller, not a birth control pill.


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