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In 1968 Illsley and Gill examined the rise in illegitimacy in the decade 1955-65 and showed that this rise, unlike rises in the first and second world wars, had not been accompanied by a fall in prenuptial conceptions but by a rise. Statistics from 1970 to 1975 have been examined and a third parameter, legal abortion, added. After a period characterised by an apparent rise in the total of extramarital conceptions there has since 1972 been a decline; and in the age group 20-24 this fall dates from 1971. Improved contraceptive practice is probably the reason.
In 1968 Illsley and Gill examined the rise in illegitimacy in the decade 1955-65 and showed that this rise, unlike rises in the first and second world wars, had not been accompanied by a fall in prenuptial conceptions but by a rise. Statistics from 1970 to 1975 have been examined and a third parameter, legal abortion, added. After a period characterised by an apparent rise in the total of extramarital conceptions there has since 1972 been a decline; and in the age group 20-24 this fall dates from 1971. Improved contraceptive practice is probably the reason.
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