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Learn about charting fertility to know when the most appropriate time for sexual intercourse is for you, at Planned Parenthood online. http://www.plannedparenthood.org/health-topics/birth-control/fertility-awareness-4217.htmFertility awareness-based methods attempt to determine the days in a woman s menstrual cycle when she is fertile, that is, when an ovum has been released from the ovary and is ... http://healthcenter.ucdavis.edu/topics/contraception/fertility.htmlOVERVIEW Fertility awareness-based (FAB), or natural, methods of pregnancy prevention are based upon the physiology of the menstrual cycle and the functional life span of the sperm ... http://www.uptodate.com/patients/content/topic.do?topicKey=~nJTna12Sf_5S2_TOVERVIEW Fertility awareness-based (FAB), or natural, methods of pregnancy prevention are based upon the physiology of the menstrual cycle and the functional life span of the sperm ... http://www.utdol.com/patients/content/topic.do?topicKey=~nJTna12Sf_5S2_TIt is estimated that 20-25% of couples rely on coitus interruptus and fertility awareness-based methods for birth control. Although not considered to be as reliable as modern ... http://www.contraceptiononline.org/slides/slide01.cfm?q=fertility+awareness-based+methods |
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