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Survey of abortion 1962-1964. The North-West England Faculty.

Following the survey into the incidence of abortion carried out by the North-west England Faculty in 1958/59 (North-west England Faculty Journal 1962), the Research Committee of the Faculty decided to extend the survey for a further period. Participating general practitioners were asked to report all cases of bleeding in pregnancy (threatened abortion) which occurred during the period 1 March 1962 to 31 August 1964 inclusive and to record the age and parity of the mother, the date of the last menstrual period, the dates upon which bleeding occurred together with the outcome of the pregnancy.