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Novel corona virus disease (COVID‐19) in pregnancy: What clinical recommendations to follow?

Pregnancy is a state of partial immune suppression which makes pregnant women more vulnerable to viral infections, and the morbidity is higher even with seasonal influenza. Therefore, the COVID19 epidemic may have serious consequences for pregnant women. Although the vast majority of cases of COVID-19 are currently in China, the risk of outward transmission appears to be significantly raising global concern. Human to human transmission of the virus is proven to occur,1,2 perhaps even from asymptomatic patients,3,4 and the mortality is substantial, especially among frail, elderly patients with comorbidities.5 Although there have been some criticisms surrounding suppression of early warnings, and slow initial response followed by heavy-handed quarantine measures, as well as concerns expressed about the capacity to cope with the large number of patients, and shortage of protective equipment and in-hospital infections leading to deaths among a substantial number of healthcare professionals,6,7 China's effort to contain the disease and slow down its spread in China and world-wide has been commendable. A large number of cases requiring hospitalization and intensive care is a serious burden even for affluent countries with well-developed healthcare systems. However, the Chinese government, its health professionals, and the public, have set a new standard for handling the epidemic, and they have certainly contributed to reducing the potential risk of outbreak in neighboring countries with weaker healthcare systems. Furthermore, Chinese researchers and health professionals have generously shared their data, knowledge, experience and expertise that has helped to develop diagnostic tools, clinical management algorithms, set up clinical trials, and accelerate vaccine development. Clinical course and outcome of a substantial number of COVID-19 patients have been reported, and recommendations regarding the care of such patients have been issued by several national health authorities across the world. However, the practices seem to vary considerably. Interim guidance has been issued by the World Health Organization (WHO) and Centers for Disease Control and Prevention (CDC) on managing COVID-19, which include some recommendations specific to pregnant women, mostly drawn on experience from previous coronavirus outbreaks.8,9 Chinese expert recommendations for the care of pregnant women with suspected and confirmed COVID-9 were developed and disseminated in China quite early following the outbreak in Wuhan.10 These recommendations have been dynamic, evolving as more knowledge about epidemiology, pathogenesis, disease progression and clinical course among infected pregnant patients has been gathered. Limited clinical experience in managing pregnant women with COVID-19 and their neonates has been reported from China recently based on a case series of nine pregnancies with confirmed COVID-19 treated in Zhongnan Hospital of Wuhan University and 10 neonates (nine pregnancies) delivered at five different hospitals,11,12 although many more cases (>100) of suspected or confirmed COVID-19 have been treated and delivered in several hospitals in China according to the news releases and media reports. So far, no maternal deaths have been reported. There appears to be some risk of premature rupture of membranes, preterm delivery, fetal tachycardia and fetal distress when the infection occurs in the third trimester of pregnancy. However,