Painless childbirth' epidural anesthesia needle is opened a few fingers how long to inject anesthesia

The traditional method is to provide analgesia when the labor process enters the active period, usually when the cervix is opened to three branches.

The current view is that analgesia can be started as soon as the mother finds the pain unbearable.

The duration of pain relief is until the end of labor, usually for several hours or even more than a day.

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