Pregnant Women with Any Laboratory Evidence of Possible Zika Virus Infection in the United States and Territories
Pregnant Women with Any Laboratory Evidence of Possible Zika Virus Infection, 2016-2017
US States and the District of Columbia*
*Includes aggregated data reported to the US Zika Pregnancy Registry as of August 8, 2017
**Includes aggregated data from the US territories reported to the US Zika Pregnancy Registry and data from Puerto Rico reported to the Zika Active Pregnancy Surveillance System as of August 8, 2017
About These Numbers
What these updated numbers show
- These numbers reflect the number of pregnancies with laboratory evidence of possible Zika virus infection that have been reported to the pregnancy surveillance systems. There are some delays in reporting. The latest numbers on the total number of pregnant women with Zika are typically available on the individual websites for each jurisdiction. In addition, reported numbers may increase or decrease as preliminary information is clarified.
- This information will help healthcare providers as they counsel pregnant women affected by Zika and is essential for planning at the federal, state, and local levels for clinical, public health, and other services needed to support pregnant women and families affected by Zika.
What these new numbers do not show
- These new numbers are not comparable to the previous reports. These updated numbers reflect a different, broader population of pregnant women.
- These updated numbers are not real time estimates. They reflect the number of pregnant women reported with any laboratory evidence of possible Zika virus infection and are updated about two times a month.
Where do these numbers come from?
These data reflect pregnant women in the US Zika Pregnancy Registry and the Zika Active Pregnancy Surveillance System in Puerto Rico. CDC, in collaboration with state, local, tribal and territorial health departments, established these registries for comprehensive monitoring of pregnancy and infant outcomes following Zika virus infection.
The data collected through these registries will be used to update recommendations for clinical care, to plan for services and support for pregnant women and families affected by Zika virus, and to improve prevention of Zika virus infection during pregnancy.
What are the outcomes for these pregnancies?
Visit CDC’s webpage for updated counts of poor pregnancy outcomes related to Zika. Most of the pregnancies monitored by these systems are ongoing. CDC will not report outcomes until pregnancies are complete.
- Page last reviewed: July 20, 2017
- Page last updated: July 20, 2017
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