Emergency Contraception Flashcards
Timeline?
Needs to be taken withint 3-5 days of unprotected sex
How does it work?
Delays/inhibits ovulation and therefore prevents fertilization of an egg
Does it terminate an existing pregnancy?
No
Plan B
( Drug of choice)
Administration?
Pregnancy rate?
Either 1.5 mg PO all at once
or 0.75 mg 12 hours apart
2.2% when taken within 72 hrs
2.6 % when taken within 120 hrs
( decrease efficacy if BMI>26)
Repeat dose if you vomit within 2 hours
Patients should start hormonal contraception within 24 hours of taking if they want
YUPZE Method
Dose?
Pregnancy Rate?
100 mcg EE and 1.5 LNG do 1 dose right away and another at 12 hours
Pregnancy rate is 2.5-2.9 ,72 hrs
Repeat dose if you vomit within 2 hours
Ulipristal ( ELLA)
Dose?
Pregnancy Rate?
30mg X one dose
1.4% ,72 hrs
1.6% ,120hrs
( Decreased efficacy if BMI>30)
Special Consideration with ELLA?
Need to delay restarting COCs for 5 days after administration
Repeat dose if vomiting’s <3 hours after taking it
If users do start COC they need to use backup for 14 days after starting it
Adverse effects?
Headaches, Irregular bleeding, N/V
Take Gravol 30 minutes prior
Copper IUD
Can be used within 5-7 days if pregnancy is ruled out
1st choice if BMI>30
Pregnancy rate is 0.1% even after ovulation
Inhibits sperm function and prevents endometrial receptivity