If you are looking to download the specific articles mentioned above for your own records, you can search for the following titles on or Google Scholar :
Ellegård E. "The etiology of rhinitis in pregnancy." (Current Opinion in Allergy and Clinical Immunology, 2006) . stuffy nose and pregnant
Here is the breakdown of what is happening, why it lasts so long, and how to handle it safely. If you are looking to download the specific