Assessment of the Relationship Between Affective Temperament and the Severity of Nausea and Vomiting in Early Pregnancy

Inclusion Criteria: * To be 16 years or older * To be at the level of education to understand and answer the survey questions * To have singleton live pregnancy within the first six weeks of pregnancy according to ultrasound measurement or the level of human chorionic gonadotropine in the blood * Agreed to participate the study by signing a voluntary informed consent form Exclusion Criteria: * History of any medical problems (eg. endocrine, gastrointestinal, cardiovascular, pulmonary system diseases, vertigo) * Presence of a history of psychiatric disorder (eg. depression, anxiety, bipolar disorder, delirium, eating disorders and other psychotic disorders) * Multiple pregnancy * Pregnancy complicating situation (eg. imminent abortion, trophoblastic disease, ectopic pregnancy) * Presence of a history of regular medication use (Including drug use within the last six months for psychiatric illness) * To be not at the risk for anxiety disorder or depression according to the result of hospital anxiety and depression scale