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EMERGENCY CONTRACEPTION

In case of sex or rape in unprotected females, medicine can be taken within 24 hours to prevent pregnancy. 

Oral Contraceptive Equivalents for the Yuzpe Method of Emergency Contraception

Trade Name Formulation No. Pills Taken With Each Dose*
Preven+ 0.05 mg ethinyl estradiol
0.25 mg levonorgestrel

2

Ovral 0.05 mg ethinyl estradiol
0.50 mg norgestrel
2
Lo-Ovral 0.03 mg ethinyl estradiol
0.30 mg norgestrel
4
Nordette 0.03 mg ethinyl estradiol
0.15 mg levonorgestrel
4
Levlen 0.03 mg ethinyl estradiol
0.15 mg levonorgestrel
4
Triphasil (Yellow pills only) 0.03 mg ethinyl estradiol
0.125 mg levonorgestrel
4
Trilevlen (Yellow pills only) 0.03 mg ethinyl estradiol
0.125 mg levonorgestrel
4

* Treatment consists of 2 doses taken 12 hours apart.
+ Approved by the FDA in September 1998.

(Adapted from the American College of Obstetricians and Gynecologists Practice
Patterns on Emergency Oral Contraception, December 1996).