Four points on the basal body temperatures (BBT) curve have been correlated with the estimated time of ovulation (ETO), as determined by indirect hormonal parameters, in 74 menstrual cycles from 24 subjects. Only 10 of 66 hormonally
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PMID 7360431 7360431 DOI 10.1097/00006250-198003000-00013 10.1097/00006250-198003000-00013
Cite this article
Hilgers, T. W., & Bailey, A. J. (1980). Natural family planning. II. Basal body temperature and estimated time of ovulation. *Obstetrics and gynecology*, *55*(3), 333-339. https://doi.org/10.1097/00006250-198003000-00013
Hilgers TW, Bailey AJ. Natural family planning. II. Basal body temperature and estimated time of ovulation. Obstet Gynecol. 1980;55(3):333-339. doi:10.1097/00006250-198003000-00013
Hilgers, T. W., and A. J. Bailey. "Natural family planning. II. Basal body temperature and estimated time of ovulation." *Obstetrics and gynecology*, vol. 55, no. 3, 1980, pp. 333-339.
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