A fixed formula to define the fertile window of the menstrual cycle as the basis of a simple method of natural family planning

Author:

Arévalo Marcos,Sinai Irit,Jennings Victoria

Publisher

Elsevier BV

Subject

Obstetrics and Gynaecology,Reproductive Medicine

Reference8 articles.

1. Curtis LA, Neitzel, KN. Demographic and health survey, comparative studies no. 19. Contraceptive knowledge, use, and sources. Calverton, MD: Macro International, 1996.

2. Development of new formulas to identify the fertile time of the menstrual cycle;Lamprecht;Contraception,1996

3. Post-ovulatory aging of the human oocyte and embryo failure;Wilcox;Human Reprod,1998

4. Barrett C, Marshal J. The risk of conception on different days of the menstrual cycle. Population Studies 2969;23:455–61.

5. Probability of conception on different days of the menstrual cycle;Masarotto;Advanc Contracep,1997

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