Safest Birth Control – Pros and Cons of the most Popular Contraceptive Methods

There are a whole host of Contraceptive Methods available today, but, which are the ‘Safest Birth Control’ methods?

Here is a quick list of the PROS and CONS of the most Popular Contraceptive Methods.

The Pearl Index is determined by the number of unintentional pregnancies related to 100 women in one year. A low value stands for a higher effectiveness. i.e.: 0.7 means that during 1 year, it is possible that 0.7 people will get unintentional pregnancies while using this method.

Method Safety – Experts distinguish between “method reliability” and “user reliability.” Differences in effectiveness rates will result from this.



There are about 100 different kinds. The body obtains hormones (oestrogen, progesterone) each cycle day, tricking the body into believing it’s pregnant. Due to the controlled hormonal intake, menstruation occurs only during the monthly pill brake.

PEARL INDEX: 0.1 to 0.9.

PRO: Effective

CON: Serious side effects. Increased health risk when smoking or consuming alcohol. One sided contraception – partner is not involved. Environmental damage – water pollution.


Progesterone slows the build up of the endometrium, causing the cervical mucus to thicken, making the fallopian tubes impassible.

PEARL INDEX: 0.4 to 2.5

PRO: Fairly effective. In comparison to the regular pill, ovulation is not prevented.

CON: Requires discipline. An intake fluctuation of only two hours already decreases its effectiveness significantly. Further side effects include possible skin irritation and hormonal pollution of the body.


A directly injected high dosage of hormones prevents ovulation and therefore fertilization.

PEARL INDEX: 0.2 to 0.4

PRO: Effective

CON: Serious side effects. Only recommended for women who do not ever want to become pregnant again.


The implant is inserted under the skin of the upper arm by a doctor. Ovulation and fertilisation are prevented.

PEARL INDEX: 0.2 to 0.4

PRO: Effective

CON: Serious side effects. Minor surgical procedure, weight gain, regular monitoring by a doctor necessary.


Inserted for 3 weeks and removed for one.

PEARL INDEX: 0.4 to 0.65

PRO: Effective

CON: Serious side effects. Risk of vaginal inflammation, can be felt during intercourse, risk of accidental loss.


Hormonal long term contraception up to 5 years. Oestrogen free.


PRO: Effective

CON: Midcycle bleedings, pain after insertion. Serious side effects.


IUD device inserted into the uterus. Made of plastic surrounded by copper wire. Copper immobilises sperm and acts as an antibody.

PEARL INDEX: 1.0 to 3.0

PRO: Relatively effective. Depending on the model it can last two to five years.

CON: Risk of infection and ectopic pregnancy. Serious side effects, as well as possible allergic reaction to the copper. Painful insertion. Regular checkups required. Not suitable for women who wish to have children one day.


The diaphragm is a relatively big latex cup with a flexible rim. It is inserted into the vagina shortly before intercourse and is positioned over the cervix.


PRO: Applicable spontaneously

CON: The cup must fit exactly over the cervix. Difficult insertion. Additional spermicidal chemicals are necessary.


Chemical gels, creams, film, foams and suppositories destroy the sperm and thus make them sterile.

PEARLY INDEX: 3.0 to 25.0

PRO: Applicable spontaneously

CON: Has to be inserted only minutes before intercourse. Can cause vaginal irritation and itching. Not very effective.


Made of latex or plastic. It is soft and expandable. Worn on the penis

PEARLY INDEX: 1.0 to 5.0

PRO: No side effects, usable any time. Prevents sexually transmitted diseases.

CON: On fertile days discipline is needed. Can get damaged during application and loose effectiveness.


In combination with the cervical mucus analyzation. Every morning the basal body temperature is measured. Additionally, the cervical mucus is tested with the fingers at the vaginal entrance and evaluated.

PEARLY INDEX: <1.0 PRO: Natural - no side effects. Women learn a lot about their bodies. Very effective. CON: Discipline required. High user failure. Needs experience in the evaluation of graphs and symptoms. STERILISATION Sterilisation of the man or woman PEARL INDEX: 0 PRO: Permanent CON: Surgery needed - it is permanent LADY-COMP Once a day, about 60 seconds, (before getting up), the BBT is measured under the tongue with a very sensitive temperature sensor. At a simple push of a button, the monitor displays either "green" for infertile or "red" for fertile days. All of the ovulation data required has been pre-programmed. PEARL INDEX: 0.7 PRO: Natural, very effective, easy to use, environmentally compatible and healthy contraceptive method. The planning program can be integrated (retrofitted) with Lady-Comp on demand. No Hormonal impact on the body. One time investment. No recurring costs, other than a new battery replacement. CON: Few fertile days during which abstinence is required or condoms to be used. BABY-COMP The same as the Lady-Comp with a special planning program for planning to get pregnant. PEARLY The same as the Lady-Comp The Ladycomp Australia website,, is where you can view and buy the Lady-Comp, Baby-Comp and Pearly fertility monitors. We also call them an Ovulation Calendar or Menstrual Cycle Calculator, as that is what they are doing, and there is no negative impact on ones body.

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