[C13 (meaning heap of firewood): perhaps from Scandinavian; compare Old Norse hraukr rick 1] ruck (rÊk) n. a wrinkle, crease, or fold. vb (usually foll by up) to become or make wrinkled, creased, or puckered [C18: from Scandinavian; related to Old Norse hrukka] ruck (rÊk) n. slang a fight [C20: short for ruckus] ruck (rÊk) n (Military) military slang a rucksack
As your baby's birthday gets close, your cervix begins to dilate, or open up. Dilation is checked during a pelvic exam. It is measured in centimeters, from 0 (no dilation) to 10 (full dilation) Typically, if you're four centimeters dilated, you're in the active stage of labor.
In reality, however, labor usually takes time â and the early signs of labor can be subtle. Here's what you need to know about the common signs of labor. Before labor, the lower part of your uterus called the cervix is typically 3.5 cm to 4 cm long. As labor begins, your cervix softens, shortens and thins (effacement).