shouldn't
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shan't
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Labor contractions might be the best term but not all contractions are painful.
The muscular, nervous, and endocrine systems all control contractions in the uterus.
Contractions don't hurt the baby and is there to one day help push them out.
Horses Sores
contractions
contractions come after non-contractions: Aunts Aunt's
They'd, we'd, who'd and you'd.
The strongest indication that contractions are occurring in association with true labor is that the contractions begin to occur at regular intervals. This is contrary to Braxton-Hicks contractions, which are spontaneous, random uterine contractions that do not occur with actual labor.
Umm. . . contractions.
eccentric and concentric contractions
Peristalsis is the term for the rhythmic contractions of the esophagus. These wavelike contractions move food toward the stomach.
Peristalsis Peristaltic contractions