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  • Title: [Cervical mucus as a biological sign of fertility and infertility].
    Author: Billings JJ.
    Journal: Contracept Fertil Sex (Paris); 1984 Feb; 12(2):379-80. PubMed ID: 12265827.
    Abstract:
    The ovulation method makes women aware of certain changes in their cervical mucus. These modifications help to distinguish the beginning and end of the cycle's fertile period and indicate the time of maximum fertility. In addition to pinpointing the date of ovulation, the method permits the user to know she is not fertile when there is no ovulation. The principle of the method is the state of "basic infertility" which preceeds follicular development. The method cannot be implemented with success unless it is properly acquired. After some preliminary considerations regarding the fertile period, ovluation detection and periodic abstinence, some clinical and hormonal observations are compared in 2 basic studies in order to show to what extent cervical mucus reflects ovarian activity. The application of the method requires an understanding of the "basic infertility profile" and 2 sets of rules regarding the 1st days and the peak sign which indicate respectively the beginning and end of the fertile period. The criteria of an ideal birth control method and the importance of proper teaching are also dealt with. With regard to Natural Family Planning, 2 problems are pointed out--incomplete terminology in data collection and absence of a positive and detailed approach to periodic abstinence. (author's modified)
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