http://medicalxpress.com/news/2014-12-early-exposure-antidepressants-affects-adult.html
About 15 percent of women in the United States suffer from anxiety disorders and depression during their pregnancies, and many are prescribed antidepressants. However little is known about how early exposure to these medications might affect their offspring as they mature into adults.
The answer to that question is vital, as 5 percent of all babies born in the U.S. – more than 200,000 a year – are exposed to antidepressants during gestation via transmission from their mothers…
Current antidepressant therapies are ineffective in treating anxiety and depression in large numbers of patients, and advances in predicting individual responses are hindered by difficulties associated with characterizing complex influences of genetic and environmental factors on serotonergic transmission in humans,” the study states.