Week 2 - Drugs Flashcards
How to the combined hormonal contraception’s work to prevent pregnancy
Inhibit ovulation
What type of contraception inhibits Implantation?
And how?
Intrauterine System
It affects the endometrium by making it unfavourable for implantation
What type of progesterone only contraception options are there?
What is their mechanism of action to prevent pregnancy?
Pill
Implant
Injection
They all inhibit ovulation
What tools are used in female sterilization?
Filshie clips and Essure
Name 3 emergency contraception types
Copper IUD
2 oral options: LNG & UPA
Up to what point can the copper IUS be given post UPSI?
5 days
Up to what point can the LNG oral pill be given post UPSI?
72 hrs
What mechanism of action do the oral emergency contraception’s have to prevent pregnancy?
Delay ovulation
At what point would both oral emergency contraceptive be rendered useless?
After ovulation
What needs to happen before inserting the copper IUD
Screen and treat STIs
When must you avoid UPA-EC?
If patient is wanting to ‘quick start’ hormonal contraception (they must delay ongoing contraception for 5 days)
If patient has taken hormonal contraception in past 7 days
If patient has acute severe asthma
What are the types of contraception that can be ‘quick started’ ?
Combined hormonal contraception (oestrogen + progesterone)
Progesterone only pill
Progesterone Implant,
Progesterone Depo Injection
When is emergency contraception needed?
5 reasons
When contraception hasn’t been used/used correctly
Before new contraception method has had a chance to become effective
If more than one combined oral contraception (‘the pill’) has been missed
If patch/ring has been off more than 48 hrs
If implant fitted out with first 5 days of cycle and UPSI within first 7 days of use
How to take the COC (combined oral contraception)
Start in first 5 days of menstruation
Take daily for 21 days followed by break of 7 days
During the first 7 days of taking it, if you are having sex, make sure you use a condom
Complications of CHC?
Venous thrombosis Arterial thrombosis Cancer risk - breast & cervical (ovarian & endometrial risk is decreased when on CHC) Blood clotting problems Hypertension/ MI/ Stroke