'Pre-marital Pregnancies and Ex-nuptial Births in Australia, 1911-66', Australian And New Zealand Journal of Sociology , 1968, Vol. 4, No. 2, pp. 126-45.
2.
Geraldine Spencer , 'Pre-marital Pregnancies and Ex-nuptial Births in Australia, 1911—66—A comment', Australian And New Zealand Journal of Sociology. 1969, Vol. 5, No. 2, pp. 121-7.
3.
These duration-specific rates are taken from Table 1 in Miss Spencer's paper. Although the rates themselves may not be correct, the trends represented by them may be used for illustrating this point. Confinement rate for duration of marriage 0-3 months is the sum of rates for durations zero, one, two, and three. Similar definition holds for the rate for duration of marriage 4-7 months.
4.
G.W. Jones and W.P. Mauldin, 'Use of oral contraceptives with special reference to developing countries ', Studies in Family Planning, Population Council, New York, 1967. No. 24, p. 2.
5.
In further discussion unless it is stated otherwise, the duration of marriage refers to completed months.
6.
This understanding of the situation has been clarified as being correct in a personal communication (dated December 1, 1969, ref. No. 59/498) from the Commonwealth Statistician's office.
7.
M. Taback, 'Birth weight and length of gestation with relation to Prematurity' , Journal of the American Medical Association, 1951, Vol. 146, No. 10, pp. 897-901.
8.
David Harvey Sutton, 'Gestation Period', Medical Journal of Australia, 1945, Vol. 1—32nd year, No. 24, pp. 611-13.
9.
As the registration of still-births was not compulsory in earlier years, it may not be expected to be as complete as for live births and deaths. See Commonwealth Bureau of Census and Statistics, Official Year Book of the Commonwealth of Australia, 1968, No. 54, pp. 194-5.
