Professional Program Development in Natural Family Planning

Hilgers TW. , Prebil AM. , Daly KD , & Hilgers SK : The Creighton Model for the Development of Natural Family Planning Education and Service Programs. Creighton University Natural Family Planning Education and Research Center. Omaha. Nebraska, 1980.

Hilgers TW , Abraham GE , Cavanagh D. “Natural Family Planning I.—the Peak Symptom and Estimated Time of Ovulation,” Obstet. Gynec., 52: 575, 1978.

Hilgers TW , & Bailey AJ. “Natural Family Planning II.— The BBT and Estimated Time of Ovulation,” Obstet. Gynec., 55: 333, 1980.

Hilgers TW. , Prebil AM. , Hilgers SK , & Daly KD. “The Occurrence of Ovulation at the Midcycle.” Int. Rev. Nat. Fam. Plan., 4: 227, 1980.

Hilgers TW. , Daly KD. , Prebil AM , & Hilgers SK. “Natural Family Planning III.— Intermenstrual Symptoms and Estimated Time of Ovulation,” Obstel. Gynec. 58: 152, 1981.

Hilgers TW. , Bailey AJ , & Prebil AM : “Natural Family Planning IV.— The Identification of Postovulatory Infertility,” Obstet. Gynce., 58: 345, 1981.

Hilgers TW. , Prebil AM , & Daly KD : “The Effectiveness of the Ovulation Method as a Means of Achieving and Avoiding Pregnancy.” Paper presented at the Continuing Education Conference for Natural Family Planning Practitioners, Omaha, Nebraska, July, 1980

Hilgers TW : “A Critical Evaluation of Effectiveness Studies in Natural Family Planning,” in Proceedings of an International Symposium on Natural Family Planning (sponsored by the World Health Organization). Dublin, Ireland. October 8-9, 1979.

Hilgers TW : “The Statistical Evaluation of Natural Methods of Family Planning,” Int. Rev. Nat. Fam. plan., 8: 226, 1984.