Rising levels of estrogen and human chorionic gonadotropin (hCG) can stimulate the mucous membranes in your nose, causing them to produce more mucus. Progesterone also relaxes smooth muscle, which can make blood vessels in the nose dilate more easily.
While pregnancy rhinitis is harmless to the baby, you should check with your doctor if:
Pregnancy is characterized by a significant increase in blood volume, which peaks at around 32-34 weeks of gestation (4). This increased blood volume leads to engorgement of the nasal mucosa, sinuses, and other tissues, contributing to congestion. why do you get congested when pregnant
While hormones are the main driver, other factors can make the congestion worse:
Your blood volume increases by nearly 50% during pregnancy to support the baby. This extra blood flow affects blood vessels throughout your body, including in the nasal passages. The vessels expand and swell, narrowing the airways and causing stuffiness. Rising levels of estrogen and human chorionic gonadotropin
Congestion during pregnancy is a complex phenomenon attributed to hormonal fluctuations, increased blood volume, and nasal mucosal changes. Understanding the underlying mechanisms and causes of congestion can help healthcare providers develop effective management strategies, alleviating symptoms and improving the quality of life for pregnant women.
It is surprisingly common to feel like you have a permanent cold while expecting. This condition, known as , affects roughly 20% to 30% of pregnant women. Unlike a typical cold, it isn't caused by a virus or allergies; it is a direct result of the physiological changes your body undergoes to support a growing baby. Why Does It Happen? This increased blood volume leads to engorgement of
Progesterone, in particular, causes vasodilation and increased blood flow to the nasal mucosa, leading to swelling and congestion (3). Additionally, progesterone increases the production of nasal secretions, which can contribute to congestion and nasal stuffiness.