Women Who Smoke More Likely To Give Birth To Twins
Sunday, April 26, 2015 - 12:40
in Health & Medicine
A new study provides a possible explanation of reports that mothers of twins are more likely to have smoked, despite evidence that nicotine reduces fertility. Nicotine has an effect on hormone production, and while smoking may have deleterious effects on fertility, the study found that it may raise the likelihood of producing twins in women with certain genetic backgrounds. The researchers discovered significant interactions between smoking and variants in several genes, especially one in the TP53 gene. read more