Anxiety symptoms are relatively common during pregnancy but typically undiagnosed and undertreated. A recent study of 2793 women observed that 9.5% of women meet criteria for generalized anxiety disorder (GAD) at some point during their pregnancy. The highest rates of GAD were observed in the first trimester (7%). Only 2% of women met criteria for GAD in the second trimester, and 3% in the third trimester.
While we have now a fair amount of information regarding the course of major depression and bipolar disorder during pregnancy and the postpartum period, we have much less information on the course obsessive-compulsive disorder (OCD). [...]
During fetal life, neurons proliferate, migrate and form connections, providing the structure of the developing brain. Neurons reach their final destinations by the 16th week of gestation, while branching and making appropriate connections occur even before that time (1). The brain continues to develop during the entire pregnancy, with most of the synapse formation in the developing brain happens during the third trimester (2).
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