The vasomotor congestion frequently observed during the last stages of pregnancy first attracted my attention to the relationship existing between nasal disturbances and conditions in the female reproductive system. My case histories are taken from 1,900 obstetric cases at the San Mateo Clinic. In a certain number of cases difficulty in breathing developed in the eighth or ninth month of pregnancy. In the large percentage of such cases the difficult breathing could not be explained entirely on the basis of interference with diaphragmatic movement and other mechanical causes. There appeared to be an actual primary nasal congestion.
This condition of nasal congestion is seen sufficiently frequently during late pregnancy that the obstetrician usually assures the sufferer that her discomfort is a temporary and almost physiologic development of pregnancy which will not require the services of an otolaryngologist. But the condition varies greatly according to the individual patient. In some cases
MOHUN M. INCIDENCE OF VASOMOTOR RHINITIS DURING PREGNANCY. Arch Otolaryngol. 1943;37(5):699–709. doi:10.1001/archotol.1943.00670030713009
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