“…to preventing the cardiac deterioration of the woman and at its best can achieve magnificent results. O'Driscoll et al (1957) of Dublin report a series of 539 such pregnancies with six maternal deaths attributable to pregnancy giving a maternal mortality of 1 -% in a series, rare for its high age and parity, in a city where contraception, termination and sterilization are not practised. Similar results are reported from Edinburgh in the twenty years from 1928 to 1947 with progressive improvement in the maternal mortality from 6-3 % to 0 9 % (Gilchrist and Haig, 1950).…”