The twoday algorithm: a new algorithm to identify the fertile time of the menstrual cycle

Author:

Sinai Irit,Jennings Victoria,Arévalo Marcos

Publisher

Elsevier BV

Subject

Obstetrics and Gynaecology,Reproductive Medicine

Reference17 articles.

1. Demographic and health survey, comparative studies no. 19. Contraceptive knowledge, use, and sources;Curtis,1996

2. Republic of the Philippines. National demographic Survey 1993. Manila, Philippines: National Statistics Office. Calverton, Maryland: Macro International, 1994.

3. Ward VM, Bertrand JT, Puac F. Exploring sociocultural barriers to family planning among Mayans in Guatemala. Fam Plann Perspect 992;18:59–65.

4. An overview on the effectiveness of Natural Family Planning;Guida;Gynecol Endocrinol,1997

5. Contraceptive failure of the Ovulation Method of periodic abstinence;Trussel;Fam Plann Perspect,1990

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