[Ovarian hyperstimulation syndrome (OHS): borderlines between physiology and pathology].

The use of gonadotropins in therapy has led to the appearance of a complication due to hyperstimulation, referred to as "syndrome due to ovarian hypertension" (SOH). There are three clinical stages of SOH: slight, moderate and severe, caused by a pathogenetic mechanism which is thought to involve the action of prostaglandins and the renin-angiotensin system leading to an alteration in capillary permeability with increased ovarian diameter. SOH can be prevented using a protocol to evaluate clinical conditions during therapy mainly based on hormone assays and echographic monitoring.

Perinatal mortality and morbidity in premature birth.

In a study carried out in 100 cases of premature birth in Section "A" of the Department of Gynecology and Obstetrics of the University of Turin, the authors report a perinatal mortality rate of 5.4%. Perinatal morbidity was found to be very high (68.

[The role of Papanicolaou test in gynecologic practice].

The paper analyses the importance of Papanicolaou's test in gynecological diagnostics and reports an interesting checklist drawn up by the "Istituto Superiore di Sanità" with which all women should be familiar in order to diagnose cervical cancer at an early stage.