Asthma and allergic rhinitis are two of the most common health problems worldwide and can present serious complication during pregnancy. While these diseases may improve, remain unchanged, or become exacerbated during pregnancy, they are frequently underdiagnosed and under-treated. The inflammatory processes involved in asthma and allergic rhinitis are superimposed on the normal respiratory changes of pregnancy, making early intervention crucial. Recognition of factors that can aggravate asthma, implementation and adherence to treatment guidelines, and diligent follow-up are important in midwifery management. Patient education is particularly important for prevention of asthma exacerbations. With careful control of asthma and allergic rhinitis, if present,