Clinical Characteristics of COVID-19
Medical staff in obstetrical department should pay attention to pregnant women with recent fever, suspicious symptoms of the respiratory system or digestive system. Generally, fever, fatigue and cough are typical respiratory symptoms, a few patients are accompanied by stuffy nose, runny nose, sore throat, myalgia and other upper respiratory symptoms, nausea, vomiting, diarrhea and other digestive system symptoms are not common.
Asymptomatic infection of COVID-19 included: (1) no clinical symptoms; (2) positive etiological test of COVID-19 in respiratory tract samples; (3) mainly found through agglomeration epidemic investigation and source of infection tracking investigation.
Close contacted is defined as people who has not taken effective protection and has close contact (within 1 meter) with one of the two following situations: ①2 days before symptoms of suspected and confirmed cases appear, or ②2 days before symptoms of suspected and confirmed cases appear. Those who are in close contact with diagnosed patients should be subject to isolation medical observation111.National Health Commission of the People’s Republic of China. Diagnosis and treatment of COVID-19 (trial version 6)[EB/OL]. [2020-02-18]. (http://www.nhc.gov.cn/yzygj/s7653p/202002/8334a8326dd94d329df351d7da8aefc2/files/b218cfeb1bc54639af227f922bf6b817.pdf).