Ovulation method of family planning

Lancet (London, England), 2(7788), 1193-1194

DOI 10.1016/s0140-6736(72)92610-4 PMID 4117608 Source

Abstract

No abstract available for this article.

Topics

billings ovulation method, cervical mucus monitoring family planning, natural family planning billings, ovulation method fertility awareness, john billings method, mucus-only fertility awareness, billings method effectiveness, teaching billings ovulation method, cervical secretion charting

Cite this article

Billings JJ (1972). Ovulation method of family planning. *Lancet (London, England)*, *2*(7788), 1193-1194. https://doi.org/10.1016/s0140-6736(72)92610-4

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