The International E-magazine on Adolescent Health; The Male and Female Reproductive Systems E-Magazine Reproductive System | Page 2

Types of contraceptives available and their
effectiveness as their information
In this essay we will describe the different
methods for contraception as also their
effectiveness against pregnancy. During this
partial we learned a lot of contraceptives
which are also known as birth control
methods; some are: abstinence, vasectomy,
IUD, diaphragm, birth pill, condom, creams
and the natural family planning. Each and
every one of these have their own
instructions for use and if used correctly
then you will obtain the correct average
efficiency that the method can warranty you.
Some are very confident or reliable and
some
are
just
average.
Some
contraceptives
are
for
preventing
fertilization, for preventing ovulation or for
preventing implantation which is only the
IUD method.
The first contraceptives that will be
described are for preventing fertilization and
such are divided by two types, the surgical
methods and the physical or chemical
barriers. The surgical methods are the
vasectomy, where vasa deferentia are cut,
and the tubal ligation, where oviducts are
cut. In both vasectomy and tubal ligation, a
person will have a 99% of effectiveness
against pregnancy or even almost 100%.
The physical barriers are: condoms,
diaphragms and cervical caps. These
contraceptives give us between 85% and
90% of effectiveness. The chemical
barriers, are substances that will kill sperm,
that’s why they are called spermicides.
Spermicides are about 75% effective.

Nowadays there are many contraceptive
methods, some prevent female ovulation,
this kind of methods usually is very
effective. What this kind of contraceptive
methods do is to avoid the ovulation at a
certain time in a female’s body and allow
her to have sexual relations without getting
pregnant. The most known contraceptive
methods that prevent ovulation are: Birth
control pills, implants and injections; all
these methods are hormonal kind. Injections
are one of the most effective methods with a
99% of effectiveness, it inject hormones and
cause anterior pituitary to not release FSH
and LH. Implants are also good but its
effectiveness is of >90%, what this method
do is implant tubes of progestin under skin
and avoid anterior pituitary to release FSH
and LH. Finally, birth control pills are the
most effective method of this kind with a
99.9% of effectiveness, pills are hormones
taken by mouth that prevent and stop
ovulation. All this methods prevent

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