The second trimester of pregnancy areola swollen, is how

Breast swelling in the second trimester may be related to a variety of factors, including endocrine changes, breast inflammation and contact dermatitis.

1. Endocrine factors

During pregnancy, increased estrogen levels stimulate the development of mammary ducts, resulting in deepened color and mild swelling of the areola.

2. Breast inflammation

If the breast is infected by bacteria and other pathogens, it may cause local inflammation, manifested as swelling of the areola.

3. Contact dermatitis

If pregnant women are allergic to underwear materials, it may also cause local allergic reactions in the areola, manifested as swelling. Pregnant

women with areola swelling in the second trimester of pregnancy are advised to seek medical help in time to determine the specific cause and appropriate treatment according to medical advice.