Science Chapter 4 : Contraception

Folio Science Chapter 4:
Methods of
Contraception

Kayshna a/p Jayasegaran

Contraception • Birth control, also known

as contraception, anticonception,
and fertility control, is a method or device
used to prevent pregnancy.

Contraceptive Pills

• Contraceptive pills can prevent

ovulation or reducing ovulation.
Type of birth control that is
designed to be taken orally by
women

• hen taken correctly, it alters

the menstrual cycle to
eliminate ovulation and
prevent pregnancy

Implants

• Implants secrete a

hormone that prevent
the ovary from
producing ovum.

Condoms

• Condom is worn over

the penis before
copulation to prevent

the sperm from
entering the vagina
during ejaculation.

Intrauterine
Contraceptive
Device, (IUCD)

This contraceptive
device is inserted inside
the woman's uterus to
prevent implantation.

Vasectomy

• Surgery is carried out to

cut the sperm duct and
the two ends are then
tied to prevent the
sperms from being
transported to the
urethra.

Ligation

• Surgery is carried out

to cut the Fallopian
tubes and the two ends

are then tied to
prevent the ovum
from meeting the

sperms.