how many cm dilation to give birth?
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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). This allows the baby to move into the birth canal.
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When you feel your contractions every 5 minutes and they last 30 to 40 seconds, your cervix will estimate 4 to 5 centimeters dilation. As time goes on, contractions get stronger every 3 or 4 minutes and last close to 45 seconds each. At this moment your cervix is 6 centimeters dilated.
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If you're a first-time mum, active labour may take about eight hours. This is an average, though, and it could be much shorter or longer than that. It's unlikely to last more than 18 hours. Once your cervix has dilated to 10cm, it could take you an hour or two hours of pushing before your baby is born.
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The Second Stage of Labor (Delivery) The second stage of labor begins when your cervix is fully dilated at 10 centimeters. This stage continues until your baby passes through the birth canal, vagina, and is born.
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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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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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The second stage of labor begins when your cervix is fully dilated at 10 centimeters. This stage continues until your baby passes through the birth canal, vagina, and is born. This stage may last two hours or longer.
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For a vaginal delivery, the cervix needs to be 10 centimeters (cm) dilated and 100 percent effaced. While cervical dilation is necessary for labor to progress, being dilated isn't necessarily a sign that true labor is starting. In some cases, women will dilate a few centimeters weeks before their due date.
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Once you begin active labor, you'll have strong contractions around a minute long and 3-5 minutes apart. It may be hard to talk or move easily. At this point, your cervix will be dilated 3-10 centimeters.
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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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Early labor Your cervix starts out three to four centimeters long. When it is 50 percent effaced, it is about two centimeters long.
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In general, though, once active labor begins, the average progress is about 1 centimeter dilation per hour for your first baby and 1 1/2 centimeters per hour for a second baby.
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During active labor, your cervix will dilate from 6 centimeters (cm) to 10 cm. Your contractions will become stronger, closer together and regular. Your legs might cramp, and you might feel nauseated. You might feel your water break — if it hasn't already — and experience increasing pressure in your back.
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When the opening of the cervix starts to widen, this is called dilation, and it is one sign that labor is approaching. Dilation is typically measured in centimeters (cm). During active labor, the cervix fully dilates to 10 cm.
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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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Early labor will last approximately 8-12 hours. 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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During active labor, your cervix will dilate from 6 centimeters (cm) to 10 cm.