There are several reasons why pregnancy can lead to nasal congestion. Here are a few possible explanations:
Mabry RL. "Rhinitis in pregnancy." (Southern Medical Journal, 1986 - Seminal paper). stuffy nose and pregnant
"The pathophysiology and management of rhinitis in pregnancy" There are several reasons why pregnancy can lead
Werler MM, et al. "Use of vasoconstrictors in pregnancy and risk of birth defects." (Birth Defects Research, 2016). stuffy nose and pregnant