Based on data from population - based birth defects surveillance programs for 2009 - 2013, the median prevalence of microcephaly in the United States was approximately 7 per 10000 live births.29 There are no published estimates of
the prevalence of the birth defects potentially related to Zika virus infection during pregnancy combined.
«
The prevalence of birth defects was consistent across each of the oral contraceptive groups as well as when we added in pregnancies that ended as stillbirths or induced abortions,» Charlton said.
Not exact matches
The researchers examined the presence
of any critical or noncritical congenital heart
defect detected in infants at
birth, comparing
prevalence in those exposed and not exposed to preeclampsia.
«The goal is to assess the overall health
of the babies (
birth weight, pre-term
births, head circumference and the
prevalence of certain congenital
birth defects) in relation to their proximity to natural - gas well sites and the number
of active wells in their environment,» the researcher said.
At present, most reported congenital anomalies are consistent with the neurotropic nature
of the virus; however, there are sporadic reports
of anomalies that tend to have the highest
birth prevalence in most populations (eg, congenital heart
defects) and are not consistent with current understanding
of the pathogenetic mechanisms in CZS.