Published in Women's Health Weekly, August 31st, 1998
When started within 72 hours of unprotected sexual intercourse, the Yuzpe regimen prevents about 75 percent of pregnancies that would otherwise have occurred. But about 50 percent of women report nausea and over 20 percent vomit after taking it.
Past research has shown that levonorgestrel, which is part of the Yuzpe regimen, might on its own be a better emergency contraceptive. To investigate this finding among larger numbers of women, Drs. Helena von Hertzen and Paul Van...
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