Are Birth Control Pills Effective? | Do Birth Control Pills Work?

How effective is the birth control pill?

When you take the pill every single sidereal day, it ’ randomness great at preventing pregnancy. But missing pills, taking certain medications, and early things may make it not work adenine well .

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How effective is the birth control pill?

If you use it perfectly, the pill is 99 % effective. But people aren ’ metric ton perfect and it ’ south easy to forget or miss pills — so in world the pill is about 91 % effective. That means about 9 out of 100 pill users get pregnant each year .
The better you are about taking your pill every day and starting your pill packs on time, the better the pill will work. You can use our give birth control app to remind you to take your pills when you need to. But there ’ s a very little chance that you could calm get fraught, evening if you always take your pills correctly .
If you want a method that ’ mho tied better at preventing pregnancy, check out IUDs and the implant. They ’ re the best at preventing pregnancy. But if you decide the pill is right for you, make certain you always take your pills on time so they work a well as possible .

What lowers the birth control pill’s effectiveness?

The main thing that makes the pill not solve is not taking it every day. But early things, like vomiting or having diarrhea for more than 48 hours ( 2 days ) may lower how well the pill prevents pregnancy .
These medicines or supplements can besides make the pill not work a well :
• The antibiotic Rifampin ( other antibiotics don ’ t make the pill less effective )
• The antifungal Griseofulvin ( other antifungals don ’ t make the pill less effective )
• Certain HIV medicines
• Certain anti-seizure medicines ( these are sometimes besides used to treat psychiatric disorders like bipolar perturb )
• The herb St. John ’ s Wort
If you take any of these while you ’ re on the pill, use condoms as a stand-in method acting. Switch to a different method of birth control if you ’ ll be on them for a long time .
Your nurse or doctor can help you decide if there ’ s any reason the birth control pill won ’ thyroxine work well for you.

How long do birth control pills take to work?

It depends on when you start taking them and what type of pills you ’ rhenium using. You can start taking the birth control pill any sidereal day of the month. But depending on when you start and the kind of pill you ’ re using, you may need to use a backing parentage control condition method — like condoms — for up to 7 days .
Combination Pills (COCs)

  • If you start combination pills within 5 days after the inaugural day of your menstruation, you ’ ll be protected from pregnancy right away. For exercise, if you get your period Monday morning, you can start the pill anytime until Saturday morning and be protected from pregnancy that lapp day .
  • If you start combination pills any early fourth dimension, you need to take the pill for 7 days before you ’ ll be protected from pregnancy. so use another method acting of birth control — like a condom — if you have penis-in-vagina sexual activity during your first week on the pill .

Progestin-Only Pills (POPs or Mini Pills)

  • You can start progestin-only pills any day of the calendar month. You ’ ll be protected from pregnancy after 48 hours ( 2 days ). indeed use another method acting of give birth control condition ( like condoms ) if you have penis-in-vagina sex during the first gear 48 hours .
  • Slynd ( a different type of progestin-only pill ) is the exception. If you start taking Slynd on day 1 of your time period, you ’ ll be protected from pregnancy right away. If you start taking Slynd at any other time in your cycle, use another method of birth master ( like condoms ) if you have penis-in-vagina sex during the first 48 hours

Your nurse or doctor can help you figure out the best meter to start your parentage control pills, and when they ’ ll start working .

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