Ewes bearing more than 1 fetus are more susceptible to pregnancy toxemia than those with a single fetus. Crossbreeding programs in Israel increased the occurrences of ewes bearing more than 2 fetuses; therefore, the aim was to assess the exacerbation in the metabolic status of ewes pregnant with several fetuses. Fifty ewes, genetically developed to achieve multiple-fetus pregnancies, were monit...

Introduction Acquired haemolytic anaemia arising apparently for the first time during pregnancy or the early puerperium is an uncommon occurrence. Lillie, Gatenby & Moore (1954) described one such case in 4314 pregnancies, Lescher (1942), Bateman, Hutt & Norris (1959) and Jankelowitz, Eckerling & Joshua (1960) each described one case of acute intravascular haemolysis of obscure origin occurring...

Immunological studies were performed on a woman with severe pre-eclamptic toxaemia in a second pregnancy. This pregnancy followed a normal twin pregnancy by a different father four years earlier. Both fathers were also studied. In the mixed lymphocyte culture the patient's lymphocytes reacted eight times as strongly against father 2's cells as against those from father 1. If studies along these...