According to a study, mother’s smoking during pregnancy has linked with earlier puberty in children. The study was done by Aarhus University and has been published in American Journal of Epidemiology.
Nis Brix, one of the researcher in the study said that “We found that children of mothers who had smoked more than ten cigarettes a day during pregnancy,on average entered puberty three to six months earlier than the children of non-smokers,”
Nis Brix added that “Early puberty can be associated with an increased risk of a number of diseases as an adult,such as obesity,diabetes,cardiovascular diseases and certain types of cancer,”
Brix concluded the study that “It is known that smoking is harmful to the unborn foetus. Smoking is, among other things, associated with an increased risk of low birth weight, premature birth and increased mortality.