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  • Title: 'Natural' methods of family planning.
    Author: Jones M.
    Journal: Fertil Contracept; 1978 Oct; 2(4):55-8. PubMed ID: 12260793.
    Abstract:
    There are currently signs that more women are considering the natural family planning methods as an alternative to medical contraception. In response to this revival of interest, the World Health Organization is now conducting field work on 'natural' family planning methods in New Zealand, the Philippines, India, California, and Columbia and is also preparing a teaching package to be pilot tested in several countries. The natural methods of family planning are all based on the woman correctly ascertaining the pattern of her natural menstrual cycle and abstaining from sexual intercourse during the fertile time. In most women this means that there are 2 "safe periods" - at the beginning of the 28-day cycle until a few days before ovulation and at the end of the cycle from 3 or 4 days after ovulation has occurred. Originally, the "safe period" was taught by the calendar method, which involved a woman carefully plotting her menstrual cycle over a period of six months to a year and making calculations as to the shortest possible and longest possible cycle length, and thus the likely time of ovulation. A more accurate measure is to actually find out the point of ovulation by measuring basal body temperature. With this method the woman must take her temperature every morning immediately upon waking, before rising, smoking, eating or drinking. The Billings' ovulation method is the method now becoming increasingly popular. The method involves noticing the natural changes in the body over the whole menstrual cycle, particularly the quantity and quality of the cervical mucous. 1 new aid for pinpointing the exact time of ovulation is the Ovutime Fertility Detection System developed at Harvard University Medical School and the Massachusetts Institute of Technology. In the long-term, the rhythm method is unlikely to prove the answer to the problem of fertility regulation for the modern woman.
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