New research at the University of Curtin has found that exposure to external air pollution and extreme temperatures during pregnancy can increase the risk of prolonged pregnancy, offering new ideas on the impact of climate change on maternal health.
The study analyzed data of almost 400,000 births in Western Australia and found that greater exposure to fine particle air pollution (PM2.5) and biothermal stress (a measure that combines air temperature, radiant temperature, humidity Relative, the speed of wind and human physiology) was associated with pregnancies that lasted more than 41 weeks.
The main author, Dr. Sylvester Dodzi Nyadanu, of the Population Health School of Curtin, said that although climate exposure has long been related to premature births, this is the first study that examines its impact In prolonged pregnancies.
“We know that being ‘born too soon’, premature delivery, has well -documented health risks, but little attention has been paid to the risks associated with being ‘born too late,” said Dr. Nyadanu.
“Our findings show that exposure to air pollution and biothermal stress during pregnancy increases the probability of prolonged pregnancies, particularly among mothers over 35, first -time mothers, those who live in urban areas and those with complicated pregnancies .
“Environmental stressors, including climate -related exhibitions during pregnancy, have been associated with the response to maternal stress and subsequent interruptions in endocrine and inflammatory activities, which increase towards the end of pregnancy. This can shorten pregnancy, lead to premature delivery or extend pregnancy, resulting in a prolonged pregnancy in some cases. “
Dr. Nyadanu said that prolonged pregnancy can have serious health implications for both the mother and the baby, including the need for medical interventions such as labor induction or caesarean sections, a greater risk of fetal death, birth complications, mortality Infant, behavioral and emotional problems of early childhood, and emotional. Impacts on families.
“With climate change that drives more frequent extreme climatic events and worsening air quality, it is essential that we recognize potential impacts on maternal and child health,” said Dr. Nyadanu.
“Medical care suppliers, political leaders and pregnant women, particularly those in vulnerable groups, should consider climate related exhibitions when evaluating the risks of pregnancy and interventions planning.
“This study highlights the need for specific policies and preventive measures to reduce climate -related health risks, including better air quality regulations and public health initiatives aimed at protecting future mothers and children from extreme climatic conditions,” .