Comparative Studies on Pre-Eclampsia and Eclampsia in Israel Immigrant Populations

Meteorological Factors in Hypertensive Disorders, Vaginal Bleeding and Premature Rupture of Membranes during Pregnancy

“…Furthermore, our re sults did not support the conclusion that heat or high temperature itself increases the incidence of pre-eclamp sia, vaginal bleeding in pregnancy or premature rupture of the membranes. Nevertheless, in areas at sea level such as Afula [10] or our region, there is an increase in the occurrence of pre-eclampsia in the winter.…”

“…The increased risk of thromboembolism during warm days and the influence on the physiology of blood vessels could also increase the risk of the occurrence of pre eclampsia in pregnancy. This hypothesis was not sup ported by Brzezinski [10] who studied seasonal toxemia in women from the same region. Furthermore, our re sults did not support the conclusion that heat or high temperature itself increases the incidence of pre-eclamp sia, vaginal bleeding in pregnancy or premature rupture of the membranes.…”

“…Brzezinski et al [10] studied different ethnic groups in Israel and noted seasonal variations in toxemia. Dur ing the winter months of January, February and March, there was a definite rise in the occurrence of toxemia.…”

“…Premature rupture of the fetal membranes was mentioned only in one report [9], Studies from our coun try indicated significant differences in the incidence of toxemia between different ethnic groups [10,11] and due to the weather [11].…”