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In a study of women who first obtained a registrable qualification from a British Medical School in the years 1949-51 (early cohort) and 1965 (late cohort) it was found that 83% qualified when aged 21-25, 12% when aged 26-30, 3% when aged 31-35 and 2% when over 36. There was a higher level of practice over the 12 years after qualification by the older entrants, and these also obtained career posts earlier than the younger entrants.
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Audrey W. M. Ward (1981) studied this question.
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