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The reasons for 50 requests for reversal of tubal sterilisation were studied prospectively. Our results agree with those in the rest of the literature and show that within a population of women who have been sterilised there is a group who have "a strong likelihood to ask for reversal of sterilisation". These results make one think of the role of the doctor and can help by using scores that have been worked out previously to improve the indications for sterilisation in case legislation will be forthcoming.

The preovulatory LH surge induces final maturation of the ovocyte which makes it suitable for in vitro fertilization. The spontaneous LH peak can be detected in blood or in the urine. Whatever the method of determination, the diagnosis of the triggering LH surge can be done only on strict criteria. This work defines these criteria when urinary Higonavis is used: a rise in the plus signs in two successive samples or a positive result in urine diluted fourfold.

Two hundred and twenty-three cases notes of patients with toxaemia of pregnancy were analysed in order to try to establish the ability to predict through clinical and biological assessments of the mother the prognosis for the fetus. Statistical analysis methods were chosen to work out the classification of the parameters and to lead to an index of severity that could be established by a multifactorial discriminating analysis. This study confirms that there is an inversion in the circadian rhythm of arterial blood pressure, with an increase in the evening and at night. It shows how bad prognostically blood pressure instability is. On the other hand oedema of the legs is of no significance. Contrary to the view that has been held for a long time, an increase in weight is directly proportional to fetal parameters. As far as parameters are concerned as a whole (both clinical and biological) a rise in blood urea is more discriminating at every stage of the illness and precedes an increase in the platelet count, the changes in creatinine clearance and night blood pressure. Maternal changes are better correlated with fetal variability before the 35th week of the pregnancy whereas after that date the prognostic value of these readings is of little importance.