Women who are exposed to hairspray in the workplace while they're pregnant, have more than double the risk of giving birth to a son with the genital birth defect hypospadias, according to a new study in the journal Environmental Health Perspectives.
The study is the first to show a significant link between hairspray and hypospadias. It's one of the most common birth defects of the male genitalia. The urinary opening is displaced to the underside of the penis. The causes of the condition are poorly understood.
Women have a two to three-fold increased risk of having a son with hypospadias if they are exposed to hairspray in the workplace in their first trimester of pregnancy, according to the new study.
The study suggests that hairspray and hypospadias may be linked because of chemicals in hairspray known as phthalates.
Previous studies have proposed that phthalates may disrupt the hormonal systems in the body and affect reproductive development.
Researchers say hypospadias likely affects around 1 in 250 boys in the UK and in the USA.
Usually, hypospadias can be successfully treated with corrective surgery after a boy reaches his first birthday.
More severe cases can lead to problems with urinating, sexual relations and fertility.
The new research also reveals that taking folic acid supplements in the first three months of pregnancy is associated with a 36 percent reduced risk of bearing a child with the condition.
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