Nose Congestion Pregnancy __top__ | Editor's Choice: To support the fetus, a woman's blood volume increases by up to 50%. This extra fluid can cause tiny blood vessels in the nose to swell, leading to a sensation of "stuffiness". For the vast majority of women, pregnancy rhinitis clears up within . As your hormone levels drop back to normal and your blood volume regulates, the swelling in your nose will subside. nose congestion pregnancy However, generally speaking, doctors may approve: : To support the fetus, a woman's blood |