“natural family planning”的概念、定义、翻译、参考文献-科学参考

单词	natural family planning
释义	natural family planning Encyclopedia 医学避孕释 natural family planning自然避孕法根据女性月经周期和周期中出现的症状与体征，间接判断排卵过程，识别排卵前后的易受孕期，进行周期性禁欲而达到避孕的方法。又称安全期避孕法。
随便看	distention and fullness at stomach distereoisomer distereomer disthene distill distillable entanglement distillate distillation distillation of coke-oven distillation process control system distillation refining distilled gasoline distilled spirits distilled water distiller's yeast distinct distinct element method Distinction: A Social Critique of the Judgment of Taste distinctive feature distinctiveness distinct material and distinct interest distinctness distinct prime factors distinct roots distinct stamen

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