[Effect of ecological factors on the course of pregnancy]

Results of the studies dealing with the peculiarities and mechanisms of abnormal pregnancy in women working under unfavourable environmental factors are overviewed, including the diseases most commonly complicating the gestational course in female workers of chemical and electronic industries, patterns of pregnancy complications, and immunological mechanisms of placental damage under chemical aggression. Data are given on the fetal functional status derangement under the environmental stress. The concept of a three-stage adaptation of the female organism to the environmental hazards is introduced, and priorities are formulated relating to the control of environmental impacts on gestation, female fertility, and fetal and neonatal health.