Contraception Flashcards
Who decided eligibility criteria for contraceptives in UK?
Determines whether particular method of contraception is suitable to prescribe
What is CHC?
Combined hormonal contraception
Examples of CHC?
- COCP
- Evra patch
- Novaring
What is primary mechanism of CHC?
Ovulation suppression
So it causes endometrial changes and thinning
When do you start CHC?
First 5 days of period or anytime in cycle when reasonably sure not pregnant plus condom for 7 days
How to take COC?
Daily for 21 days followed by 7 day break
Risks of COC?
Venous thrombosis
Arterial thrombosis
Adverse effects on some cancers (breast, cervical)
Systemic HT
Arterial thrombosis RFs in COC?
Small increased risk of MI, particularly in smokers, potential increased risk of ischaemic stroke
What is someone has migraine with aura and is on the COC?
-Increases risk of ischaemic stroke
THIS IS CONTRAINDICATED
Side effects of COCP?
Nausea
Spots
Bleeding
Breast tenderness
WHat is IUD?
Intrauterine Device (copper coil)
Effect of IUD?
Direct toxic effect (same as spermicides)
Non hormonal
Can be used as emergency post-coital contraception?
Copper coil IUD
IUD effect on periods?
Longer, heavier, more painful, especially during first 3 months post insertion
Most suitable and reliable method for women after breast cancer?
IUD
How long does IUD last?
between 3-10 years depending on device
Effectiveness of IUD?
VERY effective
Insertion pain?
3/10 for mothers
5/10 for not mothers
Risk of IUD?
Perforation (small)
Who is IUD unsuitable for?
Women with submucosal fibroids
Uterine malformation
What is an IUS?
Plastic device placed in uterus which produces progesterone
What physiological effect does IUD have?
Endometrial changes/thinning
Physiological changes of IUS?
Thickened cervical mucous
Endometrial changes/thinning
Ovulation suppression
IUS lasts for?
3-10 years
Which is more effective IUD or IUS?
IUS
Four main IUS devices in market?
Mirena
Levosart
Kyleena
Jaydess