http://www.metafilter.com/tags/ova Posts tagged with 'ova' at MetaFilter. Wed, 09 Jul 2003 14:03:30 -0800 Wed, 09 Jul 2003 14:03:30 -0800 en-us http://blogs.law.harvard.edu/tech/rss 60 http://www.metafilter.com/26888/Eggstra%2Dova <a href="http://story.news.yahoo.com/news?tmpl=story&amp;cid=594&amp;ncid=594&amp;e=11&amp;u=/nm/20030708/hl_nm/ovulate_frequency_dc">One egg, one month.</a> Seemed like such a simple, comprehensible system - until now. "We are literally going to have to re-write medical textbooks," said Dr. Roger Pierson. Turns out many women may ovulate more than once a month, which may be why the rhythm method fails so often. tag:metafilter.com,2003:site.26888 Wed, 09 Jul 2003 14:03:30 -0800 birthcontrol eggs ova ovulation reproduction rhythmmethod science soyjoy