Unexpected labor - delivery of baby - our birth vlog | NATURAL BIRTH

The pain of childbirth comes from contractions of the uterus, causing contractions that are not controlled by the mother. Uterine contractions progressed rhythmically, sometimes at rest but not completely like contractions before labor. The intensity of contractions is not too strong to be dangerous for the fetus and mother, nor is it too weak.

Uterine contractions are the driving force behind labor, and the pace of contractions also varies with each stage of labor. Abnormal uterine contractions can prolong labor or cause complications for the mother and fetus.

Features of uterine contractions:

Uterine contractions occur spontaneously against the mother's will. Uterine contractions cause pain. Pain threshold depends on each woman. When the contraction pressure reaches 25-30 mmHg, the woman begins to feel pain. The pain appears late, after uterine contractions, and disappears before the contractions cease.
The origin of uterine contractions is located in one of the two horns of the uterus. Usually in the right horn of the uterus. The propagation of uterine contractions is also from top to bottom. The speed of contraction is 1-2cm/sec.
Uterine contractions are cyclical and regular, gradually increasing, gradually lengthening, at the beginning of labor only 15 to 20 seconds long, then reaching 30-40 seconds at the end of cervical dilation. The intensity of uterine contractions also gradually increased. Contraction pressure at the beginning of labor from 30-35 mmHg increases gradually to 50-55 mmHg.
Uterine contractions have a triple decrease: the pressure of uterine contractions decreases from top to bottom, and the time of contraction of uterine muscles also decreases from top to bottom.
The number of uterine contractions during a labor varies from 70 to 180, depending on the number of deliveries, easy or difficult labor and the quality of uterine muscle.
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