Natural family planning IV. The identification of postovulatory infertility

The estimated time of ovulation (ETO) was correlated with the day of defined postovulatory infertility in 66 hormonally normal menstrual cycles from 24 subjects for each of 15 different natural family planning methodologies. Inherent weaknesses were identified in methods based upon calendar calculat...

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Bibliographic Details
Published inObstetrics and gynecology (New York. 1953) Vol. 58; no. 3; p. 345
Main Authors Hilgers, T W, Bailey, A J, Prebil, A M
Format Journal Article
LanguageEnglish
Published United States 01.09.1981
Subjects
Adult
Body Temperature
Cervix Mucus - secretion
Estradiol - blood
Family Planning Services
Female
Humans
Infertility, Female - diagnosis
Luteinizing Hormone - blood
Ovulation
Progesterone - blood
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Summary:The estimated time of ovulation (ETO) was correlated with the day of defined postovulatory infertility in 66 hormonally normal menstrual cycles from 24 subjects for each of 15 different natural family planning methodologies. Inherent weaknesses were identified in methods based upon calendar calculations or basal body temperature only. These weaknesses could be removed for the basal body temperature-only methods if symptoms, especially the peak mucus symptom, were added to the temperature records. However, the peak mucus symptom alone had the greatest precision of all methods studied. No advantage could be identified in combining the basal body temperature with the peak symptom.
ISSN:0029-7844