Which event marks the end of the first stage of labor?

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Multiple Choice

Which event marks the end of the first stage of labor?

Explanation:
The event being tested is the transition point between the first and second stages of labor, defined by complete cervical dilation to 10 cm. This full dilation signals that the baby can be delivered soon and the pushing phase of labor (the second stage) begins. Rupture of membranes can occur during the first stage but does not mark its end; the onset of pushing belongs to the second stage, and placental delivery occurs in the third stage.

The event being tested is the transition point between the first and second stages of labor, defined by complete cervical dilation to 10 cm. This full dilation signals that the baby can be delivered soon and the pushing phase of labor (the second stage) begins. Rupture of membranes can occur during the first stage but does not mark its end; the onset of pushing belongs to the second stage, and placental delivery occurs in the third stage.

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