Concept
Version 6
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Labor and Birth
![Cervix dilation](../../../../../../../../../figures.boundless-cdn.com/21481/raw/cervix-dilation-sequence.jpg)
Cervix dilation
During the first stage of labor, the cervix, which is normally closed, must open and widen to accommodate the passage of the baby. A cervix is considered fully dilated at 10 centimeters.
Source
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"Cervix dilation sequence."
http://en.wikipedia.org/wiki/File:Cervix_dilation_sequence.svg
Wikipedia
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