定义 fetal distress: 胎儿在宫内有缺氧征象危及胎 儿健康和生命者.是一种综合症 状,是剖宫产的适应证之一

复习:系统的稳态误差

epidemiology Labor and delivery between28-36+6 weeks 5%-10% be the leading cause of perinatal morbidity and mortality Survival rates have increased and morbidity has decreased because of technologic advances

定义 孕28周后,胎盘附于子宫下段,甚至胎盘下缘 达到或覆盖宫颈内口,位置低于胎儿先露部 ,称为前置胎盘

Definition Preterm Labor: Labor occurring prior to the completion of 37 weeks' of gestation (228 weeks), or 196-258 days from the last menstrual period (LMP)

Category of sample Blood, Urine, Stool, nasal washing, nasal swab, throat swab, saliva, sputum, rectal swab, vesicle fluid scraping or swab) tissue, brain biopsy, cerebrospinal fluid, et

Genera of picornaviruses Enterovirus Polio Diseases of the human (and other alimentary tract Coxsackie a and B (e.g. polio virus

Viral gastroenteritis It is thought that viruses are responsible for up to 3/4 of all infective diarrhoeas Viral gastroenteritis is the second most common viral illness after upper respiratory tract infection

Categories of Respiratory Viruses Orthomyxoviridae: Influenza virus Paramyxoviridae: Parainfluenza virus, Mumps virus; Measles, Respiratory syneytical virus Togaviridae: Rubella virus Coronaviridae: corona irus, sars virus Adenoviridae: human Adenovirus picornaviridae: Rhino virus;

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