最近英国医学界提出了一种新的避孕方法。通过采用一种特制的试剂(试纸),名曰Persoua,妇女可以自行调节生育机能。这种试剂可以测出妇女尿液内的女性激素水平,从而使拟行避孕的妇女得知,自己是处于安全期,还是受孕期,而采取必要的避孕措施。使用方法如下;将试剂与受试者之晨尿相混 Recently, the British medical community has proposed a new method of contraception. By using a specially made reagent (test strip), known as Persoua, women can regulate their own reproductive function. This reagent measures the level of female hormones in the urine of women so that women who plan for contraception know whether they are in a safe or conception period and take the necessary contraceptives. The procedure is as follows; the reagent is mixed with the morning urine of the subject