Not exact matches
Among the 42 Zika - infected women in the study, 12 were carrying
fetuses with severe abnormalities, including absence or withering of brain structures, tissue death, restricted growth and, in one case,
microcephaly.
The virus has been found in the amniotic fluid of two
fetuses diagnosed
with microcephaly via ultrasound.
Working
with lab - grown human stem cells, a team of researchers suspect they have discovered how the Zika virus probably causes
microcephaly in
fetuses.
«Studies of
fetuses and babies
with the telltale small brains and heads of
microcephaly in Zika - affected areas have found abnormalities in the cortex, and Zika virus has been found in the fetal tissue,» says Guo - li Ming, M.D., Ph.D., a professor of neurology, neuroscience, and psychiatry and behavioral science at Johns Hopkins» Institute for Cell Engineering.
In November, Brazilian researchers detected the Zika virus genome in amniotic fluid samples from two women whose
fetuses were been diagnosed
with microcephaly by ultrasound exams, the Pan American Health Organization reported.
The rate of infants and
fetuses who had
microcephaly in Colombia from 2015 to the end of 2016 is shown
with a dotted line.
Contracted through the bite of an infected mosquito or through sexual or other modes of transmission, Zika virus (ZIKV) infection can be prenatally passed from mother to
fetus.1 The virus was first identified in the region of the Americas in early 2015, when local transmission was reported in Brazil.2 Six months later, a notable increase in the number of infants
with congenital
microcephaly was observed in northeast Brazil.3, 4 Clinical, epidemiologic, and laboratory evidence led investigators to conclude that intrauterine ZIKV infection was a cause of
microcephaly and serious brain anomalies.5 - 7 However, as
with other newly recognized teratogens, these features likely represent a portion of a broader spectrum.
Eighty - five percent of the
fetuses or infants
with potentially Zika - associated birth defects in this report had brain abnormalities or
microcephaly,
with most having both
microcephaly and specific brain abnormalities.