Braxton Hicks contractions are a common aspect of pregnancy, often leading to questions. These “practice” contractions are a normal physiological process, though their presence and sensation can vary significantly among pregnant individuals. Understanding their characteristics and purpose can help alleviate worry and provide clarity during this transformative time.
Understanding Braxton Hicks Contractions
Braxton Hicks contractions are essentially the uterus’s way of preparing for labor. These contractions involve the tightening and relaxing of the uterine muscles. They do not cause cervical dilation, which is a hallmark of true labor. Instead, they are thought to help tone the uterine muscles and promote blood flow to the placenta, supporting the developing baby.
The sensation of Braxton Hicks contractions can feel like a mild tightening or hardening across the abdomen. Some individuals describe them as a general discomfort or pressure, similar to mild menstrual cramps. Unlike labor contractions, they are typically irregular in frequency and duration. They usually do not increase in intensity or become more painful over time.
Experiencing Braxton Hicks at 20 Weeks
It is normal and common to experience Braxton Hicks contractions around 20 weeks of pregnancy, or even earlier. While they may become more noticeable in the third trimester, some individuals, especially those in their first pregnancy, may perceive them around this mid-pregnancy mark.
Certain factors can make Braxton Hicks contractions more prominent. Dehydration is a common trigger, as inadequate fluid intake can make the uterus more irritable. Physical activity, a full bladder, or even fetal movement can also stimulate these contractions, making them more noticeable. Changing positions or resting often helps to alleviate them.
Distinguishing From True Labor
Differentiating Braxton Hicks contractions from true labor contractions is important. Braxton Hicks are irregular, unpredictable, and typically do not increase in strength, length, or frequency. They often subside with a change in activity, rest, or hydration, and the discomfort is usually localized to the front of the abdomen.
In contrast, true labor contractions are characterized by their regularity, becoming progressively stronger, longer, and closer together over time. The pain associated with true labor is typically more intense and does not ease with changes in position or activity. This discomfort often begins in the lower back and radiates to the front of the abdomen or pelvis.
When to Contact Your Doctor
While Braxton Hicks contractions are a normal part of pregnancy, there are specific signs that warrant contacting a healthcare provider. If contractions become regular, painful, or increase in intensity, frequency, or duration, it is important to seek medical advice. This is especially crucial if you are less than 37 weeks pregnant, as these could be signs of preterm labor.
Other concerning symptoms that necessitate immediate medical attention include vaginal bleeding or bright red discharge, a sudden gush or trickle of fluid from the vagina (indicating ruptured membranes), or a noticeable decrease in the baby’s movement. Persistent lower back pain or increased pelvic pressure should also prompt a call to your doctor.