From the Editor

It’s been a long voyage for Plan B, but patience and persistence won

OBG Manag. 2006 October;18(10):10-12

References

1. von Hertzen H, Piaggio G, Ding J, et al. Low dose mifepristone and two regimens of levonorgestrel for emergency contraception: a WHO multicentre randomized trial. Lancet. 2002;360:1803-1810.

2. Ngai SW, Fan S, Li S, et al. A randomized trial to compare 24 h versus 12 h double dose regimen of levonorgestrel for emergency contraception. Hum Reprod. 2005;20:307-311.

3. Task Force on Postovulatory Methods of Fertility Regulation. Randomized controlled trial of levonorgestrel versus the Yuzpe regimen of combined oral contraceptives for emergency contraception. Lancet. 1998;352:428-433.

4. Piaggio G, von Hertzen H, Grimes DA, Van Look PF. Timing of emergency contraception with levonorgestrel or the Yuzpe regimen. Lancet. 1999;353:721.-

5. ACOG Practice Bulletin. Emergency contraception. Obstet Gynecol. 2005;106:1443-1452.

It’s been a long voyage for Plan B, but patience and persistence won

References

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