how many centimeters dilated for labor pain?
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The cervix must be 100 percent effaced and 10 centimeters dilated before a vaginal delivery. The first stage of labor and birth occurs when you begin to feel regular contractions, which cause the cervix to open (dilate) and soften, shorten and thin (effacement).
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Your cervix will efface and dilate to 4 cm. Contractions will last about 30-45 seconds, giving you 5-30 minutes of rest between contractions.
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How long it lasts: Active labor often lasts four to eight hours or more. On average, your cervix will dilate at approximately one centimeter per hour.
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But for some, a shorter labour can mean a more intense labour with stronger contractions; while dilation during the first pregnancy happens at roughly 1.2cm per hour, it's more like 1.5cm per hour for second and subsequent births which can make things quicker, but possibly more painful.
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['Early Labor Phase –The time of the onset of labor until the cervix is dilated to 3 cm.', 'Active Labor Phase – Continues from 3 cm. until the cervix is dilated to 7 cm.', 'Transition Phase – Continues from 7 cm. until the cervix is fully dilated to 10 cm.']
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Once active labor begins, the cervix dilates to 10 cm. You will not feel dilation, but your doctor will measure it. If the baby is preterm and smaller than a full-term baby, then delivery can occur prior to 10 cm dilation.
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The First Stage of Labor. The first stage is the longest part of labor and can last up to 20 hours. It begins when your cervix starts to open (dilate) and ends when it is completely open (fully dilated) at 10 centimeters. When the cervix dilates from 0 to 3 or 4 centimeters, contractions get stronger as time progresses ...
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Typically, you can receive an epidural as early as when you are 4 to 5 centimeters dilated and in active labor.
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During labor, the cervix opens to accommodate the passage of baby's head into the vagina, which is around 10 centimeters (cm) dilated for most term babies. If the cervix isn't open, for example, a woman isn't in labor.
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Some women may reach 100% effacement within a few hours. For others, cervical effacement may occur slowly over several weeks. The same applies to dilation. It is not uncommon for a woman to be 1–2 cm dilated a couple of weeks before going into labor.
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This part of labor (called the Latent Phase) is best experienced in the comfort of your home. When the cervix dilates from 4 to 8 centimeters (called the Active Phase), contractions get stronger and are about 3 minutes apart, lasting about 45 seconds.
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In active labor, the contractions are less than 5 minutes apart, lasting 45-60 seconds and the cervix is dilated three centimeters or more.
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Contractions begin, the cervix dilates, and the baby moves down in the pelvis. Stage one is complete when the cervix has dilated to 10 centimeters (cm). Stage two: The body begins pushing out the baby. During this stage, women often feel a strong urge to push.
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If one fingertip fits, the cervix is considered to be 1 centimetre dilated. If the tips of two fingers fit, this means the cervix is dilated two centimetres. Depending on the distance the two fingers can stretch will indicate further dilation. It is usual to refer to full dilation as 10 centimetres.
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One woman may go from having a closed cervix to giving birth in a matter of hours, while another is 1–2 cm dilated for days or weeks. Some women do not experience any dilation until they go into active labor. This means that the cervix is completely closed initially, but it widens to 10 cm as labor progresses.
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Once your cervix is 3 or 4 cm dilated, you move into phase 2, called active labor. The contractions are stronger and occur more often. It is important to time your contractions.
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In general, once the active stage of labor kicks in, it's a safe bet to expect a steady cervical dilation every hour. Many women don't start really dilating more regularly until closer to around 6 cm. The first stage of labor ends when a woman's cervix is fully dilated to 10 cm and fully effaced (thinned out).