What causes irregular uterine contractions?

What causes irregular uterine contractions?

Pregnancy lasts for nine months. The pain and hardship during this period make women very painful, but they also feel happy because the little life they are about to give birth to will bring hope to the family. Pregnant women will experience a long period of uterine contractions before giving birth. This is a positive sign that the fetus is about to be born. However, some women experience irregular uterine contractions, which makes women deeply worried. Let’s take a look at what irregular uterine contractions are.

In late pregnancy, before labor begins, irregular uterine contractions may occur due to the increased sensitivity of the uterine muscle layer. The characteristics of this period are inconsistent frequency of uterine contractions, unstable duration of uterine contractions, long and irregular intervals, and no increase in the intensity of uterine contractions.

The pain at the beginning of uterine contractions is somewhat similar to normal dysmenorrhea. Some people may feel pain when diarrhea worsens. Some pregnant women may also feel aggravated back pain, etc. In short, everyone's situation is slightly different.

You will feel that each contraction becomes stronger and stronger, and after maintaining for a certain period of time, it gradually weakens and then disappears. Later, the interval between two contractions gradually shortens and the duration of contractions gradually lengthens. This is the uterine contraction before delivery, also known as labor pains. Uterine contractions initially occur every 20-30 minutes, gradually shortening to every 15 minutes, 10 minutes or even every 5 minutes, and the duration of contractions increases from the initial 20 seconds to 40 seconds or even 1 minute.

The time between contractions, duration and intensity of contractions are regular. As the time between contractions shortens and the duration of contractions increases, the intensity of contractions will continue to increase, and the time of delivery will be approaching. Under the action of uterine muscle contraction, the fetal membrane ruptures. The compressed fetus can no longer stay in the uterine cavity and has to move slowly toward the cervical opening. The cervical opening begins to expand and expel the fetus out. Uterine contractions therefore mark the beginning of labor.

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