The document discusses family structures and the stages of pregnancy. It defines family as a social group characterized by common residence, economic cooperation and reproduction. It describes the nuclear and extended family structures and classifications based on descent, authority, residence, and organization. The document then discusses prenatal care, outlining typical prenatal visit schedules and assessments. It describes common discomforts during pregnancy like nausea, fatigue, and backaches and alternative therapies that can help relieve them.