These factors collectively reduce nasal airway patency, with peak severity typically observed in the second trimester (5).
The etiology of pregnancy rhinitis is multifactorial, driven primarily by hormonal shifts: congested nose in pregnancy
Nasal congestion is a common but often underappreciated symptom during pregnancy, affecting an estimated 20-40% of gravid individuals. Termed "pregnancy rhinitis," this condition is defined as nasal congestion lasting six or more weeks during gestation, in the absence of other identifiable allergic or infectious causes. These factors collectively reduce nasal airway patency, with