A successor may refer to: Someone who, or something which succeeds or comes after (see success and succession) Successor (horse), an American Thoroughbred racehorse. Successor was the working name for the class of British ballistic missile submarines, since renamed the Dreadnought-class.
How long it lasts: Early labor is unpredictable. For first-time moms, the average length of early labor is six to 12 hours. It's often much shorter for subsequent deliveries. What you can do: Until your contractions increase in frequency and intensity, it's up to you.
1 Early Labor Phase â The time of the onset of labor until the cervix is dilated to 3 cm. 2  Active Labor Phase â Continues from 3 cm. until the cervix is dilated to 7 cm. 3  Transition Phase â Continues from 7 cm. until the cervix is fully dilated to 10 cm.hat to expect: 1  Early labor will last approximately 8-12 hours. 2  Your cervix will efface and dilate to 3 cm. 3  Contractions will last about 30-45 seconds, giving you 5-30 minutes of rest between contractions. 4  Contractions are typically mild and somewhat irregular, but become progressively stronger and more frequent.