Contraception Flashcards
IUD Mechanism of Action
Prevents Fertilization and Implantation
LNG Method of Action
Delays ovulation up to when LH Surge STARTS
UPA Method of Action
Delays Ovulation up to when LH Surge PEAKS
uPa - Peaks
Up to when can you give LNG?
72 Hours
3 Days
Up to when can you give Ulipristal?
120 Hours
(5 Days)
Gai te2oli delwakty ?
When can you fit emergency IUD
5 Days after UPSI
or
5 Days after earliest ovulation
When method is affected by enzyme inducers?
UPA (Avoid it)
Double LNG dose
Enzyme inducers
Anti-Epileptics Anti-retroviral Anti-tb Saint John's (Ditch UPA and double LNG)
Drug interactions with UPA
Enzyme Inducers
Drugs that increase gastric pH
Ulipristal contraindications
Severe Asthma `
LNG Contraindications
No contraindications
Double when using enzyme inducers
Why is Ulipristal contraindicated in severe asthma?
Anti glucocorticoid effect of UPA
Severe asthma controlled by glucocorticoid
Ulipristal medical contraindications
Severe Asthma Breast Feeding (Discard milk for 7 days)
Weight and contraceptives
LNG Less effective
70+ Kg or BMI >26
Effects of LNG / UPA on pregnancy / fetus
Safe
When can you start taking hormonal contraceptives after LNG / UPA
LNG - Right away
UPA - 5 Days after