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Zika virus may cause miscarriages, stillbirths without any symptoms

Zika virus may cause miscarriages, stillbirths without any symptoms

 

“Many of the foetal and placental tissues had evidence of Zika virus replication and also had pathological lesions, which further supports the role of Zika virus in this detrimental outcome,” Rompay added. 

Zika virus is widely known for causing children to be born with a brain abnormality called microencephaly and other malformations. Zika disease in human adults includes fever, rash, headache, joint and muscle pain, as well as red eyes; however, most are asymptomatic. “For pregnant women who live in areas where Zika virus is prevalent, and who may experience spontaneous abortions, the possible link to Zika virus infection may be missed,” said Lark Coffey, an arbovirologist at UC Davis.

 

“Our data in monkeys indicate more research is needed, so researchers can develop intervention strategies to protect pregnant women and their foetuses from Zika virus,” he noted in the paper published in the journal Nature Medicine.

 

For the study, the data were aggregated from six National Primate Research Centers (NPRCs), where the team monitored pregnant rhesus macaques to follow the progress of Zika virus in the bodies and into their foetuses and the tissues that support foetal development. 

The results showed that exposure during the first trimester of pregnancy was more likely to result in foetal death — a finding that parallels human reports. Moreover, placental dysfunction, which is commonly presented in the form of increased placental calcification during ultrasound examinations may also affect the foetus development, the researchers said.

 

Source: IANS

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