Controlling fertility Flashcards
How can oestrogen be used to reduce fertility?
If taken daily:
It inhibits the production of FSH, after a while egg development and production will stop
How can progesterone be used to reduce fertility
By stimulating the production of thick musus which prevents any sperm getting through and reaching an egg
What is the effectivity rate of the Combined oral contraceptive pill?
It contains oestrogen and progesterone
99%
What is the contraceptive patch
Contains progesterone and oestrogen
Small 5x5 cm patch that’s stuck to the skin. each patch lasts one week.
What is the contraceptive implant
Inserted under the skin of the arm.
Releases a continuous amount of progesterone
Lasts for 3 years
What is the contraceptive injection
Contains progesterone
Lasts 2-3 months
What is the intrauterine device (IUD)
A T-shaped device that is inserted into the uterus to kill sperm or prevent implantation of a fertilised egg.
What are the side effects of the Combined oral contraceptive pill
Headaches and nausea and doesnt protect against stdsv
What is sterilisation?
involves the cutting or tying of the fallopian tube in a female or the sperm duct for men
What is a con of sterilisation
A permanent procedure
a very small chance the tubes can rejoin
What is abstinence?
Where the sperm and egg dont mean because you dont engage in sexual intercourse
What is the purpose of a condom
To prevent the sperm from entering the vagina
Protects against stds
What is the diaphragm (not the one in your lung)
A shallow plastic cup that fits over the cervix to prevent entry of sperm
What is one con of the diaphragm
Has to be used with spermicide
What is spermicide?
A substance that disables or kills the sperm but only 70%-80% effective
Work better when combined with barrier methods
