What are Braxton Hicks contractions?

Braxton Hicks contractions are defined as irregular and often painless contractions that can occur during pregnancy, primarily before the onset of true labor. They serve as a practice mechanism for the uterus, helping the muscles prepare for the more intense and regular contractions that will occur during labor. These contractions are typically sporadic and may increase in frequency as the pregnancy progresses, but they do not signal that labor is about to begin.

This characteristic differentiates them from the regular and more painful contractions associated with true labor, which indicate the onset of labor and contribute to the dilation and effacement of the cervix. Understanding Braxton Hicks contractions helps expectant mothers distinguish between false labor and the genuine signs that indicate it is time to head to the birthing center or hospital.