![]() The Pill can make headaches better or worse. Headaches: Headaches may occur because of stress at school or home, too little sleep, sinus infections, or migraines.It is less likely to occur if the Pill is taken after dinner or with a bedtime snack. Nausea: Nausea occasionally occurs when you first start taking the Pill and will often go away in a few days.If the bleeding becomes heavier or lasts more than a few days or the bleeding happens after you have been on the pill for a few months, keep taking the pill and talk with your health care provider. Irregular periods: Spotting (you don’t need to use a regular pad, just a panty shield) or very light bleeding may occur during the first several weeks of starting the Pill, or if you miss a pill.Each type of oral contraceptive pill can affect each person differently. However, it’s possible to have irregular periods, nausea, headaches, or weight change especially during the first few months. The majority of teens have no side effects when taking the oral contraceptive pill. What are the possible side effects of birth control pills? This means that if 100 teens use the Pill, but don’t take it perfectly, 9 or more teens will become pregnant in a year. That’s why it’s often considered 91% effective. ![]() This means that if 100 people take the combination pill every day, less than 1 person will become pregnant in a year.Īlthough it’s obvious that the Pill is most effective against pregnancy when it’s taken at the same time every day, perfect use can be difficult for both teens and adults. If you take the Pill at the same time every day (perfect use), it’s more than 99% effective. Perfect Use: 1 or Less People Become Pregnant Out of 100 women using Combination or Progestin Only BCP’s Using condoms is always important to decrease your chances of getting a sexually transmitted infection (STI). You should also use back-up contraception such as condoms if you have diarrhea or vomiting, or are taking a medication that could change the effectiveness of the birth control pill. The Pill is very effective if you take it exactly as you are supposed to – one pill a day, taken at the same time each day. ![]() ![]() How effective is the Pill at preventing pregnancy? ![]() However, some people can’t take or tolerate estrogen, so it’s better for them to take the progestin-only pill. The combined pill with both estrogen and progestin may be slightly more effective than the progestin-only pill. If they are, discuss which pill and what dosage is best for you. The progestin also helps to prevent the sperm from reaching the egg and thins the lining of the uterus.Īnother type of pill contains only one hormone (progestin) and is called either the “progestin-only pill,” or the “mini-Pill.” It works to thin the lining of the uterus and helps prevent the male’s sperm from reaching the egg.įirst, talk with your health care provider to see if birth control pills are right for you. The hormones in the pills prevent pregnancy by suppressing the pituitary gland, which stops the development and release of the egg in the ovary (ovulation) (see female reproductive anatomy image below). ![]()
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