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So Paulo, 03 – An international study on primates suggests that many women may have lost their baby during pregnancy because of zika, unaware that they were infected with the virus.
Research published this Monday, 2, in the journal
Nature Medicine
found that 26% of monkeys infected with zika at the beginning of pregnancy had a miscarriage or had given birth to children stillbirths, even though they showed no symptoms
studies with humans had measured the number of abortions in women who exhibited symptoms of the disease. One of them, conducted earlier this year, showed that 6% of women infected and badyzed by the scientists aborted, while 1.6% had stillbirths. A miscarriage occurs when the baby is lost before growing for 20 weeks the third.
According to lead author of the study, Dawn Dudley, of the National Primate Research Center in Wisconsin, the finding has important implications for pregnant women infected with the virus. "Loss of management occurs more frequently in infected primates than in animals that have not been exposed to the virus," he said.
The results, he said, raise concerns about the loss of genes badociated with zika. be more common than previously thought. The scientist says studies conducted so far with humans have very limited results as they are based on symptomatic infections. "Women participate in these studies precisely because they have zika symptoms, but we know that more than half of the people infected with the virus had no type of symptoms."
The study, made up of 50 monkeys of different species, also has five other primate research centers and ten American universities. During the management of zika infected monkeys, scientists monitored animal progress by ultrasound to detect fetal heartbeats, amniocentesis – a diagnostic method involving drainage of amnitic fluid – and blood tests. .
In US laboratories, scientists were able to control the time and method of infection in a way that would be impossible in human studies, Dawn said. The findings could indicate that abortion and abortion of the fetus and fetus were badociated with an increased risk of infection. stillbirths may be even more common problems among zika-infected mesenicides than conbad malformations such as microcephaly. "In this case, we will have to reconsider what we know about zika." The information comes from the newspaper
The State of São Paulo
(Fbio de Castro)
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