Not ready to be a parent yet? Hoping to avoid a surprise pregnancy?
Here are some methods for keeping a pregnancy from happening along with their failure rates, advantages and disadvantages.
| Method | How it Works | Advantages | Disadvantages |
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| Abstinence |
Couple does not get involved in sex play or intimate contact 100% effective |
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| Withdrawal |
Penis is removed from vagina before ejaculation (semen released) to prevent sperm from meeting egg 76% effective |
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| No Method |
Not using any precautions to prevent a pregnancy from happening. 15% effective |
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| Condom |
Thin sheath made of latex, plastic or animal tissue covers penis before intercourse 79-86% effective if used correctly and consistently |
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| Pill – also known as oral contraceptive |
A small pill taken once daily, at the same time. Artificial hormones designed to help a woman’s body believe that it is pregnant month after month. Delivers a combination of estrogen and progestin to a woman’s body. It purpose is to: 1. Stops egg from being released, 2. or cause the mucous in cervix to change to inhibit sperm transport, 3. or change lining of uterus to inhibit implantation of fetus. *Note: There is insufficient medical evidence to determine exactly how the chemical is working in each individual woman’s body. 95% effective when taken daily and at same time. |
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| The Patch |
Prevents pregnancy the same way as birth control pills: Stop egg from being released, changing the mucous in the cervix making it more difficult for sperm to enter the uterus. It delivers continuous levels of the progestin and estrogen through the skin and into the bloodstream. 99% effective |
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| Lunelle |
The progestin component of Lunelle prevents the ovary from releasing an egg. 99% effective |
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| Depo-provera |
Progestin-only contraceptives deliver hormones to the body by an injected into arm or buttocks every 12 weeks (3 months). Progestin, is a synthetic progesterone. Hormones keep the ovaries from releasing eggs. Thickens the cervical mucous which keeps sperm from joining with an egg. 99% effective |
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| Diaphragm or Cervical Cap |
Soft rubber barrier intended to fit securely over the cervix. Used with spermicide. Blocks the entrance to the uterus preventing sperm from reaching an egg. 82% effective |
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| Emergency Contraception a.k.a. The Morning After Pill |
A mega dose of contraception, which is designed to 1. stop ovulation, 2. change the mucus in the cervix, or 3. change the lining of the uterus to inhibit implantation of fetus. Treatment schedule is one dose within 72 hours after unprotected intercourse and a second dose 12 hours after the first dose. However, studies have found that the pills are effective when the first dose is started up to 5 days (120 hours) after unprotected intercourse. 98% effective |
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| Spermicides |
Spermicide is a chemical that prevents pregnancy by immobilizing or killing sperm so non can reach and fertilize the egg. Spermicide is contained in gel, foam, or other “carrier” that holds the spermicide within the vagina. Often used with a vaginal barrier such as a diaphragm or cervical cap, but can be used alone. |
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| NuvaRing |
A soft, flexible ring about 2 inches is inserted into the vagina only once a month. It slowly releases a low dose of the hormones that inhibit ovulation and alter the cervical mucus to increase the difficulty of sperm movement. At the end of 21 day, remove the ring to allow the body to have its menstrual cycle. After a seven day break, insert new ring. 99% effective |
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| Female Condom |
A thin, loose-fitting and flexible plastic tube worn inside the vagina. A soft ring at the closed end of the tube covers the cervix during intercourse and holds it inside the vagina and partly covers the lip area. Provides a barrier between partners to prevent sharing bodily fluids like semen, blood or saliva. Effectiveness unknown |
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Information about IUD’s (Inter-Uterine Devices) would be a great addition to this chart. IUD’s have an extremely high efficacy rate for preventing pregnancy and come with and without hormones.