you go through the early stages of labor, which is usually about 0 to 4 centimeters of dilation and then after that, you enter what's called the active phase of labor, and that you know the ...

Among the current study's patients, labor lasting more than 2 hours without apparent change was not uncommon before 7 cm of dilation. Friedman described 3 stages in the active phase: acceleration ...

as well as strengthening the muscles harnessed during the pushing phase of labor," he said. A 2011 study published in the Journal of Physical Activity and Health found that a low-to-moderate ...