Family size, contraceptive practice and fertility intentions in England and Wales, 1967--1975.

In Britain, as in the United States over the last decade, there has been a considerable decline in the birthrate, in average family size and in the number of children wanted, at the same time that use of the most effective forms of contraception--the pill, the IUD and contraceptive sterilization--and use of abortion have become more and more widespread.