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38108 Studies found for: labor OR delivery AND preterm delivery

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Map Legend
Region Name Number of Studies
World 38,108
Africa [map] 1,367
Central America [map] 471
East Asia [map] 2,395
Japan 604 [studies]
Europe [map] 10,310
Middle East [map] 1,702
North America 20,092
Canada [map] 2,994 [studies]
Mexico 374 [studies]
United States [map] 18,191 [studies]
North Asia [map] 585
Pacifica [map] 907
South America [map] 1,076
South Asia [map] 538
Southeast Asia [map] 598

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Click on a [studies] link to search within your current results for studies in that region. Use the back button to return to this list and try another region.

Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.