Outpatient Gynaecology SIR,-We were delighted to read in Mr. Albert Davis's letter (Journal, May 17, p. 1177) that vaginal smears were finding their way into gynaecological outpatients , though we gather as yet their intrusion is only appreciated by the " scientifically minded gynaecologist." Apart from the early diagnosis of uterine cancer, surely they are the simplest and quickest way of assessing ovarian function, and therefore can be useful in the diagnosis and treatment of many gynaecological and endocrine disorders-e.g., primary and secondary amenorrhoea, repeated miscarriages, the menopause, etc. As the majority of patients can be instructed to take their own vaginal smears it is possible to obtain a continued rather than an isolated study of their ovarian activity without admission to hospital, and it therefore seems a pity that this diagnostic aid is not more widely used in this country.-We are, etc.,