Comprehensive Guide to Birth Control Options and Effectiveness

Birth control (also called contraception) is how you prevent pregnancy. There are many different types of birth control, and each form works a little different. By learning more about birth control options, you can decide which method is best for you and your partner. Consider the following factors when making your decision: effectiveness at preventing pregnancy, protection against sexually transmitted infections (STIs), ease of use, and your age and overall health.

Lifestyle and Natural Family Planning Methods

Lifestyle methods of birth control offer a way to avoid pregnancy without the need for medication or hormones. Natural family planning (NFP) involves understanding and tracking your fertility cycle to determine fertile and infertile days. By recognising these patterns, women can either avoid or achieve pregnancy naturally. Common tracking techniques include:

• Ovulation tracking: Maintaining a record of your menstrual cycle to predict fertile days.
• Basal Body Temperature (BBT) Monitoring: Tracking your body temperature each morning to identify non-fertile days.
• Cervical Mucus Observation: Paying attention to changes in consistency and volume to identify fertile phases.
• Withdrawal: This involves the man ejaculating away from the vagina to help prevent sperm from reaching the egg.
• Abstinence: Refraining from sexual intercourse, which is the only way to have 100% protection from pregnancy.

Barrier Methods

Barrier methods prevent pregnancy by stopping the egg and sperm from connecting. These options don’t require medication or hormones to be effective. Keep in mind that for a barrier method to be effective at stopping pregnancy, you must use it every time you have sex. Some types also help protect you from STDs.

• Male condoms: A thin covering made of latex, plastic or lambskin rolled over an erect penis.
• Female condoms: A barrier used inside the vagina.
• Diaphragms and Cervical Caps: Devices that block sperm from getting into your uterus.
• Sponges: A soft device that acts as a barrier.

Intrauterine Devices (IUDs)

An intrauterine device (IUD) is a type of long-acting reversible contraception (LARC). IUDs are small devices that go inside your uterus to stop you getting pregnant. There are 2 types of IUD:

The Hormonal IUD

Hormonal IUDs are made of plastic and slowly release a progestogen hormone. They stop pregnancy by thickening the mucus at the entrance to the uterus so sperm can't get through and thinning the lining of the uterus. They work for up to 5 years.

The Copper IUD

Copper-based IUDs offer protection against pregnancy for about 10 years without medication or hormones. They work to repel sperm, changing the way the sperm move so they can’t reach the egg. These can also be used as a type of emergency contraception if put in within 5 days of unprotected sex.

Permanent Methods (Sterilization)

Permanent methods of birth control, like vasectomy and tubal ligation, prevent any possible pregnancies in the future. These methods are extremely effective, providing nearly 100% protection from pregnancy. Once the surgical procedure is complete, you don’t need to take any medicines or hormonal supplements to ensure the birth control method works. This method does not offer protection against STDs.

Comparison of Method Effectiveness

Below is a summary of the effectiveness of various methods at preventing pregnancy based on typical and correct use:

• Abstinence: 100% effective.
• Sterilization: Nearly 100% effective.
• Intrauterine Device (IUD): More than 99% effective (Less than 1 in 100 people become pregnant).
• Natural Family Planning: 76% - 88% effective.
• Withdrawal: About 80% effective.
• Male Condoms: Up to 85% effective.
• Diaphragm: Up to 88% effective.
• Sponges: 76% - 88% effective.
• Female Condoms: Up to 79% effective.
• Cervical Cap: 71% - 86% effective.