quiz 4 Flashcards
How does the oral contraceptive pill prevent pregnancy?
Contrarian oestrogen and progesterone to inhibit FSH, this prevent the egg from maturing or being released
How do intrauterine devices(IUDs) prevent pregnancy?
Prevent implantation of an embryo by making the uterus inhospitable
Name 2 hormonal methods of contraception
Oral contraceptive pill,
Contraceptives implant
Injection
Skin patch
How does surgical sterilisation prevent pregnancy in males and females?
Males: vasectomy involves blocking sperm ducts to prevent sperm being released
Females: involves blocking oviducts so egg can’t travel to meet the sperm
How do the contraceptive implant/skin patch/injection prevent pregnancy?
Slow release progesterone inhibits maturation and release of egg for a number of months/years
Give an example of a barrier method of contraception
Condom
Diaphragm
How does abstinence prevent pregnancy?
Abstaining from intercourse when an egg is in the oviduct to prevent sperm from meeting an egg
How do spermicidal gels prevent pregnancy?
Killing or disabling sperm
What term describes any technology that prevents pregnancy?
Contraception
Name the 3 non-hormonal methods of contraception
Surgical sterilisation
Spermicidal gels
Barrier methods
Intrauterine devices
Abstinence
What are the 2 categories of contraception?
Hormonal and non-hormonal
How do barrier methods prevent pregnancy?
Provides a physical barrier to stop sperm reaching egg
What type of contraception can also prevent spread of sexually transmitted diseases?
Barrier methods only
What is one positive and one negative of the combined oral contraceptive pill
Negative: may cause headaches and nausea
Positive: free from local GP
What is one positive and one negative of the barrier method
Disadvantage: may split or leak
advantage: its inexpensive
What is 1 positive and one negative for sterilsation
100% effective but usually can’t be reversed
