O99: Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

O99.3: Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium

The nervous system includes all the nerves in the body, as well as the brain and the spinal cord. The nerves run from the brain and spinal cord into the body. They convey information in the body.

Your disease makes your pregnancy, the birth or childbed more difficult. You may also already have had this kind of disease before your pregnancy. The disease can then also have got worse as a result of your pregnancy, the birth or childbed.