Method | Number of pregnancies per 100 women within their first year of typical use1 | Side effects and risks* *These are not all of the possible side effects and risks. Talk to your doctor or nurse for more information. | How often you have to take or use |
---|
Abstinence (no sexual contact) | Unknown (0 for perfect use) | No medical side effects | No action required, but it does take willpower. You may want to have a back-up birth control method, such as condoms. |
Permanent sterilization surgery for women (tubal ligation, "getting your tubes tied") | Less than 1 | - Possible pain during recovery (up to 2 weeks)
- Bleeding or other complications from surgery
- Less common risk includes ectopic (tubal) pregnancy
| No action required after surgery |
Permanent sterilization implant for women (Essure®) The Essure® birth control device will no longer be sold or distributed in the United States after December 31, 2018. | Less than 1 | - Pain during the insertion of Essure; some pain during recovery
- Cramping, vaginal bleeding, back pain during recovery
- Implant may move out of place
- Less common but serious risk includes ectopic (tubal) pregnancy
| No action required after surgery |
Permanent sterilization surgery for men (vasectomy) | Less than 1 | - Pain during recovery
- Complications from surgery
| No action required after surgery |
Implantable rod (Implanon®, Nexplanon®) | Less than 1 | - Headache
- Irregular periods
- Weight gain
- Sore breasts
- Less common risk includes difficulty in removing the implant
| No action required for up to 3 years before removing or replacing |
Copper intrauterine device (IUD) (ParaGard®) | Less than 1 | - Cramps for a few days after insertion
- Missed periods, bleeding between periods, heavier periods
- Less common but serious risks include pelvic inflammatory disease and the IUD being expelled from the uterus or going through the wall of the uterus.
| No action required for up to 10 years before removing or replacing |
Hormonal intrauterine devices (IUDs) (Liletta, Mirena®, and Skyla®) | Less than 1 | - Irregular periods, lighter or missed periods
- Ovarian cysts
- Less common but serious risks include pelvic inflammatory disease and the IUD being expelled from the uterus or going through the wall of the uterus.
| No action required for 3 to 5 years, depending on the brand, before removing or replacing |
Shot/injection (Depo-Provera®) | 6 | - Bleeding between periods, missed periods
- Weight gain
- Changes in mood
- Sore breasts
- Headaches
- Bone loss with long-term use (bone loss may be reversible once you stop using this type of birth control)
| Get a new shot every 3 months |
Oral contraceptives, combination hormones ("the pill") | 9 | - Headache
- Upset stomach
- Sore breasts
- Changes in your period
- Changes in mood
- Weight gain
- High blood pressure
- Less common but serious risks include blood clots, stroke and heart attack; the risk is higher in smokers and women older than 35
| Take at the same time every day |
Oral contraceptives, progestin-only pill ("mini-pill") | 9 | - Spotting or bleeding between periods
- Weight gain
- Sore breasts
- Headache
- Nausea
| Take at the same time every day |
Skin patch (Xulane®) | 9 May be less effective in women weighing 198 pounds or more2 | - Skin irritation
- Upset stomach
- Changes in your period
- Changes in mood
- Sore breasts
- Headache
- Weight gain
- High blood pressure
- Less common but serious risks include blood clots, stroke and heart attack; the risk is higher in smokers and women older than 35
| Wear for 21 days, remove for 7 days, replace with a new patch |
Vaginal ring (NuvaRing®) | 9 | - Headache
- Upset stomach
- Sore breasts
- Vaginal irritation and discharge
- Changes in your period
- High blood pressure
- Less common but serious risks include blood clots, stroke and heart attack; the risk is higher in smokers and women older than 35
| Wear for 21 days, remove for 7 days, replace with a new ring |
Diaphragm with spermicide (Koromex®, Ortho-Diaphragm®) | 12 If you gain or lose than 15 pounds, or have a baby, have your doctor check you to make sure the diaphragm still fits. | - Irritation
- Allergic reactions
- Urinary tract infection (UTI)
- Vaginal infections
- Rarely, toxic shock if left in for more than 24 hours
- Using a spermicide often might increase your risk of getting HIV
| Insert each time you have sex |
Sponge with spermicide (Today Sponge®) | 12 (among women who have never given birth before) or 24 (among women who have given birth)3 | - Irritation
- Allergic reactions
- Rarely, toxic shock if left in for more than 24 hours
- Using a spermicide often might increase your risk of getting HIV
| Insert each time you have sex |
Cervical cap with spermicide (FemCap®) | 233 | - Vaginal irritation or odor
- Urinary tract infections (UTIs)
- Allergic reactions
- Rarely, toxic shock if left in for more than 48 hours
- Using a spermicide often might increase your risk of getting HIV
| Insert each time you have sex |
Male condom | 18 | - Irritation
- Condom may tear, break or slip off
- Allergic reactions to latex condoms
| Use each time you have sex |
Female condom | 21 | - Irritation
- Condom may tear or slip out
- Allergic reaction
| Use each time you have sex |
Withdrawal — when a man takes his penis out of a woman's vagina (or "pulls out") before he ejaculates (has an orgasm or "comes") | 22 | - Sperm can be released before the man pulls out, putting you at risk for pregnancy
| Use each time you have sex |
Natural family planning (rhythm method) | 24 | - Can be hard to know the days you are most fertile (when you need to avoid having sex or use back-up birth control)
| Depending on method used, takes planning each month |
Spermicide alone | 28 Works best if used along with a barrier method, such as a diaphragm | - Irritation
- Allergic reactions
- Urinary tract infection
- Frequent use of a spermicide might increase your risk of getting HIV
| Use each time you have sex |