Antidepressants in pregnancy usually do not cause autism.

But we cannot demonstrate that the risk is additional increased if the mother has received prescription antidepressant medicine during the being pregnant,’ says Jakob Christensen, adding: ‘By analysing data for siblings we are able to see that the risk of having a kid with autism is basically the same regardless of whether the mother takes antidepressant medication or not through the pregnancy.’ Related StoriesOxytocin treatment enhances interpersonal, emotional and behavioral complications among small children with autismAntibiotics have no adverse outcome on child's physical development, shows studyMaintaining regular BMI after pregnancy might help prevent pelvic organ prolapse The researchers cannot therefore demonstrate that the medication is to blame for autism in kids.Parada said. The researchers focused on a molecule called TrkB, or Track-B, which is found on the top of nerve cells and responds to several growth elements to cause brand-new nerves to develop in the dentate gyrus. They genetically built mice to absence TrkB particularly in the stem cells that give rise to new neurons, then provided them antidepressants for a number of weeks or allowed them to perform on wheels. When the mice had been examined for depressive behavior, the tests uncovered that neither the antidepressants nor the exercise had helped them, and the animals hadn’t grown new nerve cells in the dentate gyrus also. At least in mice, this result straight links antidepressants and voluntary exercise with TrkB-mediated creation of nerve cells, Dr.