Prevalence ， Associated Factors and Influences of Prenatal Mental Disorders

The purpose of this study is to find the incidence of mental disorders during different periods of pregnancy and its associated factors and consequences.

Inclusion Criteria:

• Aged at least 18 years of age
• 8 to 12 weeks of pregnancy
• There is no history of mental illness
• Had perinatal health care in a Women's & Children's Health Hospital

Exclusion Criteria:

• The obvious body disease
• Having anxiety, phobia, hypochondriasis, obsessive-compulsive disorder or depression before pregnancy
• Having severe complications during pregnancy
• Fetal malformation or abortion
• Can't understand the questionnaire
• Without informed consent
• More than 13 weeks of pregnancy
• Less than 18 years of age