Approximately 10–15% of women experience perinatal depression in their life. Immigrants face higher risk factors for mental health disorder compared to their native-born counterparts in most countries around the world. With 244 million immigrants in the world, it is clear that mental health is a serious public health concern. This literature review focuses on the mental health concerns of immigrant women during and after pregnancy in the United States of America. Factors such as discrimination, stress, language barriers, access to care, cultural barriers, social support networks, all play a role in the mental health of prenatal and postpartum immigrant women. Immigrant women are at a higher risk for mental health disorders due to the high-risk factors in their lives compared to native born women.