Gynaecology - Contraception Flashcards
1
Q
Contraception?
Barrier Methods?
A
Male/female condom
Diaphragm
Cap
2
Q
Contraception?
Hormonal: COCP?
A
Mechanism of action:
- Prevents ovulation
- Thins endometrial lining hence prevents implantation
Many contra-indications:
- See ukmec guidelines
- Effective contraception after 7 days
3
Q
Contraception?
Hormonal:POP?
A
Mechanism of Action:
- Thickens cervical mucous - inhospitable to sperm
- Effective contraception after 2 days
4
Q
Contraception?
Hormonal: Contraceptive Implant?
A
- Radiopaque implant (Nexplanon) is inserted subdermally in non dominant arm
- Long acting contraception of choice for the young
- Effective contraception after 7 days
5
Q
Contraception?
Hormonal: Emergencey Contraceptive Pill?
A
1.5mg levonorgestrel taken within 72 hours of unprotected sex
6
Q
Contraception?
Hormonal: Contraceptive injection?
A
Depo-provera mainly used in the UK
Given 12 weekly
Delay in retu_rn of fertility once stopped (may take 12 months)_
Effective contraception after 7 days
7
Q
Contraception?
Intrauterine device (IUD)
A
Intrauterine device (IUD):
- IUD known as the copper coil
- MOA - Cu ions thought to create hostile environment
- Effective contraception immediately
Interuterine system (IUS):
- IUS, known as Mirena system, releases leveonorgestrel
- MOA - thickens cervical mucous and secretions
- Prevents endometrial proliferation
- Effective contraception after 7 days
8
Q
Contraception?
Irreversible?
A
Male sterilisation:
- Easier to perform than than female
- Done as out-patient
- Two semen samples supplied at 16 and 20 weeks
Female sterilisation:
- Performed under GA
- Mant different methods used
