Which statement accurately describes dilation and effacement in labor?

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Prepare for the HESI Obstetrics and Maternity Assignment Exam. Utilize flashcards and practice multiple choice questions, each with detailed explanations. Get ready to ace your exam!

Multiple Choice

Which statement accurately describes dilation and effacement in labor?

Explanation:
Dilation is about how far the cervix has opened during labor, measured in centimeters from 0 cm (closed) to 10 cm (fully dilated). Effacement describes how thin and shortened the cervix becomes, usually expressed as a percentage from 0% (no thinning) to 100% (completely thinned). These two processes progress as labor progresses, but they don’t have to occur in a fixed order—one can efface before dilating, or dilate before full effacement. The statement that dilation refers to opening from 0 to 10 cm and effacement refers to thinning accurately captures each concept.

Dilation is about how far the cervix has opened during labor, measured in centimeters from 0 cm (closed) to 10 cm (fully dilated). Effacement describes how thin and shortened the cervix becomes, usually expressed as a percentage from 0% (no thinning) to 100% (completely thinned). These two processes progress as labor progresses, but they don’t have to occur in a fixed order—one can efface before dilating, or dilate before full effacement. The statement that dilation refers to opening from 0 to 10 cm and effacement refers to thinning accurately captures each concept.

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