Ten examples of oral pyogenic granuloma occurring during pregnancy and oral contraceptive therapy are presented in order to illustrate the effects on oral tissues of altered levels of female sex hormones. The mechanisms of these effects are discussed and it is concluded that pyogenic granulomata represent an exaggerated response to local irritants, especially dental plaque, which can in most cases be controlled by adequate oral hygiene procedures.

SUMMARY Two cases of neonatal listeriosis are described. The incidence in the UK is given and the treatment of the pregnant woman is briefly discussed.Perinatal listeriosis is believed to be rare in Britain but it may be under reported. It carries a high mortality for the child but the mother suffers only a mild illness. Two

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