When Does Pregnancy Rhinitis Start [upd] -

Symptoms often worsen as the pregnancy nears its due date, peaking in the third trimester when hormone levels are at their highest. Duration and Recovery

Most common time of onset. About 60–70% of PR cases begin during this period. The peak onset is at 18–20 weeks gestation . This timing correlates with rising estrogen levels (which increase nasal blood flow and glandular secretion) and a 40–50% increase in plasma volume, which maximizes nasal engorgement. Patients often report bilateral nasal obstruction that worsens when lying down. when does pregnancy rhinitis start

The primary cause is the massive shift in hormones, specifically . Symptoms often worsen as the pregnancy nears its

While it can technically begin at almost any point after conception, the onset typically follows specific patterns: The peak onset is at 18–20 weeks gestation

The Invisible Weight: Understanding the Timeline of Pregnancy Rhinitis