Oxytocin for Labor Induction Increases Risk of Bipolar Disorder

April 21, 2014 · Posted in Risk Factors 

pregnant woman at hospital

Over the past several decades, the practice of giving oxytocin (a hormone that facilitates bonding) to pregnant women to induce labor has become more common, but it comes with several risks to the child. These include increased risk of attention deficit hyperactivity disorder (ADHD), autism, and cognitive impairment. A new study by Freedman et al. presented at the 2014 meeting of the International Society for Bipolar Disorders suggests oxytocin may increase the risk of bipolar disorder as well.

In a sample of 19,000 people, there were 94 cases of bipolar disorder, and birth records revealed that an unexpectedly high number of these cases occurred in people whose mothers had received oxytocin to induce labor, regardless of the duration of the pregnancy. Cognition at ages 3 and 5 was impaired on one measure but not another in those children whose mothers received oxytocin. The researchers concluded that maternal oxytocin to induce labor is a significant risk factor for developing bipolar disorder later in life.

Editor’s Note: Oxytocin appears to take its place among other risk factors for bipolar disorder, which include: prematurity, maternal infection, influenza, the bacterial infection toxoplasmosis, higher insolation (a measure of how powerful radiation from the sun is in a given location), childhood adversity, inflammation (as measured by levels of C-reactive protein), heavy marijuana/THC use, and a family history positive for schizophrenia, schizoaffective disorder, or mood disorder, especially bipolar disorder and especially a bilineal history (illness in both parents).

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