A swedish researches reported in hypertension, for the American heart association that new born of those women who take high smoked on pregnancy time, show sing of circulatory dysfunction in the first few week of life that get worse thought out the first year.

The blood pressure response to tilting the infant’s upright during sleep, a test of how the body copes with repositioning, was dramatically different in infants born to smoking mothers compared to those born to nonsmoking parents, the study found.
Tobacco experienced only a 2% higher in blood pressure when they were tilted upright at one week of age and later a 10% high in blood pressure at one year.
Babies of those women who take high smoke have evidence of persistent problems in blood pressure regulation that start at birth and get worse over time.