Rhinitis is irritation or inflammation of the mucous membrane inside the nose. When this happens during pregnancy it is termed pregnancy rhinitis. The main symptoms are sneezing, nasal congestion or running nose. This is a common ailment during pregnancy and affects between 9-40% of expecting moms. Pregnancy Rhinitis can start in almost any gestational week, but is most common in the third trimester, and disappears shortly after you have your baby. If you are pregnant and suffering from a stuffy nose, you are not alone. This episode discusses the causes of a stuffy nose and pregnancy rhinitis and what you can do to safely treat it during pregnancy.