Teen Pregnancy 'Contagious' Between Sisters: Study - Reuters

New research suggests that teenage pregnancy is "contagious" between sisters.
 
The study of more than 42,000 Norwegian teenage girls found that they were more likely to become pregnant if their older sister had a baby as a teenager. The chances of a younger sister having a teenage pregnancy increased from one in five to two in five if the older sister had a teenage pregnancy, BBC News reported.
 
The risk of teen pregnancy among younger sisters was strongest when sisters were close in age or from poorer families.
 
"Sisters generally spend more time together than schoolmates or friends and so sisters are likely to be influenced by the behavior of their siblings," the researchers wrote, BBC News reported.
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