Pregnant women ‘at higher risk of car crashes’

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Being pregnant significantly increases a woman driver’s chances of having a serious car crash, research has shown.

During the second month of pregnancy, the risk of being involved in a road accident requiring hospital treatment rose by 42 per cent, a Canadian study of more than 500,000 pregnant women found.

In the three years before getting pregnant, the women between them had an average 177 crashes per month. The crash rate rose to 252 per month in the second trimester, or middle period, of pregnancy.

Statistically, about one in 50 pregnant women can expect to be involved in a serious car crash while at the wheel, say the scientists writing in the Canadian Medical Association Journal.

The increased crash rate 
was “almost fully explained” by multiple-vehicle collisions in which the woman had been driving a car.

Lead researcher Dr Donald Redelmeier, from the University of Toronto, said: “Pregnant women often worry about air flights, scuba diving, hot tubs and other topics in maternal health, yet individuals may overlook traffic crashes despite their greater health risks.

“These findings are not a 
reason to decide not to have children or a reason to stop driving; instead, the findings primarily emphasise the need to drive more carefully.”

He added: “Even a minor motor vehicle crash during pregnancy could lead to irreparable consequences for mother and child. These findings underscore the importance of prevention and indicate that good pre-natal care includes safe driving.”

No similar increase in accidents was seen among pregnant pedestrians or car passengers.

The study, which involved 507,262 pregnant women, looked at whether common features of pregnancy such as nausea, fatigue, insomnia and distraction might contribute to human error and increase the risk of accidents.

In their paper, the researchers mention the effects of “baby brain” – a mental “fog” said to be associated with pregnancy – but stop short of linking it directly to a heightened risk of car accidents.