Corona Virus Disease 2019 Cohort Study

Measure the developmental outcomes of the nervous system using the Gesell Development Plan (GDS) or the 0-6-year-old Child Development Scale (DST).

GDS mainly diagnoses four abilities: motor ability, object ability, speech ability, and human ability,. Thus, the development quotient of four aspects can be obtained. If the development quotient is below 65-75, it indicates serious backwardness. The DST assessment includes five functional areas: gross motor, fine motor, language, adaptability, and social behavior, to obtain developmental quotient, which is used to measure the developmental behavior of children and evaluate their level of development. A score above 130 indicates excellent performance, and a score below 70 indicates intellectual development disorder.

Time frame: From 6 months of birth to completion of the GDS measurement, the assessment is up to 6 months

Pregnancy complications or comorbidities

Obtain relevant information from medical records. Pregnancy complications refer to non pregnancy related diseases that occur before or during pregnancy, while pregnancy complications refer to any diseases that coexist with pregnancy.

Time frame: Starting prenatal examination until discharge，the evaluation take up to 10 months

Obtain neonatal outcomes.

Obtain neonatal outcomes from neonatal records, including macrosomia, neonatal asphyxia, fetal distress, low birth weight infants, and deformed infants.

Time frame: The evaluation period from birth to discharge is up to 1 week

Comprehensive results of COVID-19 infection during pregnancy

Through questionnaires, medical records and test sheets, The investigators can get whether the pregnant women have been infected with COVID-19 during pregnancy, the time of infection, pregnancy weeks, symptoms, etc.

Time frame: Baseline data were obtained when participants were enrolled in the study and assessed for up to 1 years