Natural Family Planning Billings, John J. Additional Author mixed material bibliography Collegeville, Minnesota The Liturgical Press 1987 en English

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29hlm; 22x28cm The Ovulation Method should now be regarded as the primary method for routine instruction. The observations which the woman can make and interpret following competent instruction not only indicates the time of ovulation with remarkable accuracy, but also provides knowledge of the approach of ovulation. Furthermore the observations are directed to that biological phenomenon which determines whether coitus on a particular day before ovulation can or cannot result in conception. keluarga berencana 304.66 0814610110 PERPUSTAKAAN STFT WIDYA SASANA Jln. Terusan Rajabasa 2 Malang 304.66 Bil o 7114 304.66 Bil o The_ovulation_method.jpg.jpg 1000 2019-11-07 18:21:44 2021-03-06 09:24:21 machine generated