There is no relation to pregnancy and Meniere's disease. However, the vertigo of Meniere's disease is cause by a lesion on the posterolateral aspects of the temporal lobe near the sylvain fissure.
As a differential diagnosis, true vertigo from the swaying dizziness of the hyperventilating, anxious patient and from the other type of pseudovertigo usually afford a basis for the separation. Therefore, the association of vertigo with auditory signs and symptoms slways signifies a disease process of end organ of eight nerve.
There are some people extremly susceptible to motion sickness. Such persons should sit over the wings of the aircraft, where moting is least.
When pregnant, consideration should be given to complications for the nonpregnant patient e.g. preclanpisa or cardiopulmonary or hematologic disease. Metabolic disease causing motion sickness can also complicate the control of Diabetes.
For the most paret, motion sickness occurs when the body is subjected to accelerations of movement in different directions or under conditions where visual contact with the actual outside horizon is lost. When motion sickness is not related to symptoms of pregnancy, it may be because some individuals seem to be naturally prone to motion sickness since childhood.
Hope this answers your question!
REFERENCE(S)
1. MayoClinic.com, 2006.
Air travel during pregnancy: Is it safe? - MayoClinic.com
2. Gary P. Barnas, MD, 2005.
Motion Sickness Prevention and Treatment
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