Do frequent Braxton Hicks contractions lead to preterm labor?

Written by Zhao Li Li
Obstetrics
Updated on September 11, 2024
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In the late stages of pregnancy, there may be occurrences of Braxton Hicks contractions, generally happening at a low frequency of about two to three times per day. Some individuals experience these false contractions primarily at night, which disappear during the day. This is considered normal physiological behavior in the late stages of pregnancy.

If there is a frequent occurrence of Braxton Hicks contractions, it may also lead to the dilation of the cervix, causing premature labor. Therefore, if this situation arises and the fetus is not yet full-term, it is recommended to go to the hospital for an examination in a timely manner, and symptomatic treatment to maintain the pregnancy may be necessary.

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Written by Du Rui Xia
Obstetrics
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Is premature birth hereditary?

Premature birth is not hereditary. There are many causes of premature birth, including reasons associated with the pregnant woman herself, such as hypertension and diabetes during pregnancy, as well as concurrent conditions like chronic nephritis and hyperthyroidism, which can lead to premature birth. Additionally, premature birth can be caused by a relaxed cervix, poor uterine development, congenital uterine malformations, and uterine fibroids. Furthermore, trauma to the abdomen during pregnancy, long-distance and prolonged travel, fatigue, and excessive emotional fluctuations can also lead to premature birth. Therefore, these factors related to premature birth are not associated with genetics.

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Written by Zhao Li Li
Obstetrics
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Is premature birth prone to cerebral palsy?

Under normal circumstances, not all preterm infants will develop cerebral palsy. Preterm babies are more susceptible due to their immature organ systems compared to full-term babies. If they face poor adaptation to the environment during or after childbirth, it can increase the likelihood of developing cerebral palsy. However, this does not mean that cerebral palsy will occur in all cases. Furthermore, since the brain development system is not fully mature in preterm infants, conditions such as brain hypoxia may occur, which can affect the brain and contribute to the development of cerebral palsy.

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Written by Zhang Lu
Obstetrics
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Is excessive amniotic fluid likely to cause premature birth?

Polyhydramnios is relatively common during pregnancy and can have a certain impact on the fetus. There are many reasons that can cause polyhydramnios, but regardless of the cause, polyhydramnios tends to lead to preterm birth. When there is an excessive amount of amniotic fluid, it puts significant pressure on the amniotic sac, which can easily lead to premature rupture of membranes. Premature rupture of membranes itself can stimulate the cervix, release inflammatory mediators, thereby causing contractions and symptoms of preterm labor. After the membranes rupture prematurely, infection within the uterine cavity is likely to occur, generally meaning that the possibility of keeping the pregnancy going for a long duration is unlikely. Therefore, polyhydramnios is associated with a higher risk of preterm labor. In clinical practice, if excessive amniotic fluid is detected during prenatal check-ups, it is advised to control the diet, engage in appropriate physical activities, or use other methods to keep the amniotic fluid level within the normal range.

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Written by Du Rui Xia
Obstetrics
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Preterm birth refers to how many weeks?

Premature birth refers to a baby born after the pregnancy has reached 28 weeks but before completing 37 weeks. Most of these babies weigh less than 2500 grams at birth and have poorer adaptive abilities compared to full-term babies. They require special care. Feeding premature infants can be challenging. They generally need to be fed breast milk or formula every two to four hours. Start by feeding once or twice; if there is no vomiting for six to eight hours, continue feeding some milk. Also, position the baby's head to one side to prevent inhalation of vomit.

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Written by Du Rui Xia
Obstetrics
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Does low amniotic fluid lead to preterm birth?

When there is too little amniotic fluid, it can potentially cause preterm labor. Insufficient amniotic fluid can lead to fetal hypoxia and asphyxia within the uterine cavity, and frequent fetal movements may induce uterine contractions leading to preterm labor. If reduced amniotic fluid is detected during an examination, it is important to promptly identify the cause and actively pursue treatment. Initially, drinking more water can help improve the condition, and water can also be directly injected into the amniotic cavity to improve the situation. If an examination reveals frequent fetal movements or a reduced fetal heart rate, indicating hypoxia, prompt intervention is needed, and if necessary, pregnancy termination may be considered.