Method	Timing after intercourse	Expected pregnancies prevented	Contraindications
Copper intrauterine device (IUD)	0-120 hours	99%	acute pelvic infection or cervicitis undiagnosed vaginal bleeding Wilson's disease
Ulipristal pill (Ella, Fibristal)	0-120 hours	>=85%	renal or hepatic impairment uncontrolled asthma
Levonorgestrel pill	0-72 hours	85%	None
Oral contraceptive pills containing levonorgestrel or norgestrel	0-72 hours	75%	None

 

See also:

     Postexposure prophylaxis for sexual assault

 

 

Content on this page has not been checked for accuracy. The author's credentials have not been confirmed. Always use multiple peer-reviewed scholarly sources and good clinical judgement in your decision making.

The Compendium platform was created by David Kwinter, MD, CCFP(EM).

Dr. Kwinter is a Cayman Family Doctor. He runs a Family Medicine Clinic at Cayman Medical in George Town, Grand Cayman, Cayman Islands.