Emergency contraception: Difference between revisions
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== | ==Progestin-Only Regimen== | ||
=== | ===General=== | ||
*First dose within 48 hours after unprotected intercourse followed by second dose 12 hours later | *First dose within 48 hours after unprotected intercourse followed by second dose 12 hours later | ||
**may take both at once | **may take both at once | ||
*Relative risk reduction of pregnancy = 89% (1% with vs 8% without) | *Relative risk reduction of pregnancy = 89% (1% with vs 8% without) | ||
===Adverse Reactions=== | |||
*Nausea (23%) | |||
*Vomiting (6%) | |||
*No teratogenisis | *No teratogenisis | ||
=== | ===FDA approved regimens=== | ||
( | *Plan B (marketed specifically for emergency contraception) - 1 pill (0.75 mg levonorgestrel) per dose | ||
* | **Plan B levonorgestrel 0.75mg po q12h x2 | ||
==Yuzpe Regimen (Combination OCPs)== | |||
===General=== | |||
*First dose within 72 hours after unprotected intercourse followed by second dose 12 hours later | *First dose within 72 hours after unprotected intercourse followed by second dose 12 hours later | ||
*May be given up to 120 hours later (but efficacy reduced) | *May be given up to 120 hours later (but efficacy reduced) | ||
*Reduces risk of pregnancy by 75% (2% with vs 8% without) | *Reduces risk of pregnancy by 75% (2% with vs 8% without) | ||
===Adverse Reactions=== | |||
*Nausea (50%) | |||
*Vomiting (20%) | |||
===Safety=== | |||
*No teratogenic effect | |||
===Contraindications=== | |||
* Pregnancy | |||
===FDA approved regimens=== | |||
* Ovral, Ogestrel - 2 pills (100 ug ethiny estradiol/0.5 mg levonorgestrel) per dose; repeat in 12h | |||
* Alesse, Aviane, Levlite - 5 pills (100 ug ethiny estradiol/0.5 mg levonorgestrel) per dose; repeat in 12h | |||
* Levlen, Levora, Lo/Ovral, Low-Ogestrel - 4 pills (120 ug ethiny estradiol/0.6 mg levonorgestrel) per dose; repeat in 12h | |||
* Triphasil, Tri-Levlen, Trivora - 4 pills (120 ug ethiny estradiol/0.5 mg levonorgestrel) per dose; repeat in 12h | |||
==See Also== | |||
*[[Sexual assault]] | |||
==Source== | ==Source== | ||
[[Category:OB/GYN]] | [[Category:OB/GYN]] | ||
Revision as of 04:02, 15 January 2015
Progestin-Only Regimen
General
- First dose within 48 hours after unprotected intercourse followed by second dose 12 hours later
- may take both at once
- Relative risk reduction of pregnancy = 89% (1% with vs 8% without)
Adverse Reactions
- Nausea (23%)
- Vomiting (6%)
- No teratogenisis
FDA approved regimens
- Plan B (marketed specifically for emergency contraception) - 1 pill (0.75 mg levonorgestrel) per dose
- Plan B levonorgestrel 0.75mg po q12h x2
Yuzpe Regimen (Combination OCPs)
General
- First dose within 72 hours after unprotected intercourse followed by second dose 12 hours later
- May be given up to 120 hours later (but efficacy reduced)
- Reduces risk of pregnancy by 75% (2% with vs 8% without)
Adverse Reactions
- Nausea (50%)
- Vomiting (20%)
Safety
- No teratogenic effect
Contraindications
- Pregnancy
FDA approved regimens
- Ovral, Ogestrel - 2 pills (100 ug ethiny estradiol/0.5 mg levonorgestrel) per dose; repeat in 12h
- Alesse, Aviane, Levlite - 5 pills (100 ug ethiny estradiol/0.5 mg levonorgestrel) per dose; repeat in 12h
- Levlen, Levora, Lo/Ovral, Low-Ogestrel - 4 pills (120 ug ethiny estradiol/0.6 mg levonorgestrel) per dose; repeat in 12h
- Triphasil, Tri-Levlen, Trivora - 4 pills (120 ug ethiny estradiol/0.5 mg levonorgestrel) per dose; repeat in 12h
