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自然生育调节法亦称自然计划生育,是一种基于顺应妇女生理,既可避孕、又能助孕的生育调节方法。“自然”是相对“人工”而言,即既不用任何药物工具,也不用手术,且不干扰生理,全无副作用。澳大利亚约翰·比林斯医生于本
Natural birth control method, also known as natural family planning, is based on the conformity of women’s physiology, both contraception, but also help fertility method of birth control. “Nature ” is relatively “Artificial ” terms, that is neither the use of any drug tools, nor surgery, and does not interfere with the physiology, all without side effects. Dr. John Billings of Australia joins this book