“…Assessment of reports of AIHA in pregnancy published over the past 50 yr is di&cult, particularly for the 1920-45 pre-antiglobulin test era, because evidence for the autoimmune basis of haemolysis is often incomplete. W e have assembled 19 pregnancies occurring in 16 mothers, requiring in each instance that there be unequivocal evidence for acquired haemolysis and wherever possible serologic confirmation of autoimmunity or evidence of a response to corticosteroid therapy (Bateman et al, 1959;Bromberg et al, 1948;Burt & Prichard, 1957;Craig & Turner, 1955;Frumin et al, 1953;Jankelowitz et al, 1960;Mallarm6 et a!, 1965;Osler, 1919;Priofsky, 1969;Quinlivan & Goldberg, 1967;Seip, 1960;Soderhjelm, 1959;Swisher, 1966;Wagner & Maresch, 1955;Wirtheimer, 1956;Witts & Manch, 1932).…”