The hazards of premature rupture of membranes

Written by Yue Hua
Obstetrics and Gynecology
Updated on September 04, 2024
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Premature rupture of membranes primarily affects the mother by leading to infections. Once the membranes rupture, bacteria can easily enter the uterine cavity from the vagina, causing chorioamnionitis. Additionally, it may lead to placental abruption, as the rupture of the membranes causes a decrease in abdominal tension, thus making placental abruption more likely to occur. It also leads to an increased rate of cesarean sections, because the reduction in amniotic fluid can cause irregular uterine contractions and the umbilical cord to be easily compressed, which may endanger the fetus. The main impact on the fetus is an increased risk of preterm birth.

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Written by Zhang Lu
Obstetrics
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Symptoms of premature rupture of membranes infection

Premature rupture of membranes refers to the breaking of the fetal membrane before the onset of labor, followed by the leakage of amniotic fluid. The greatest risk of premature rupture of membranes is the potential to cause an infection in the amniotic cavity. The symptoms of infection due to premature rupture of membranes include the following aspects: First, the smell and color of the amniotic fluid will change. The amniotic fluid may become purulent and have a foul smell, which suggests an infection within the amniotic cavity. Second, blood tests can reveal elevated infection markers, primarily an increase in white blood cells and C-reactive protein well above the normal range. Third, the patient may experience contractions or lower abdominal tenderness and rebound pain. When there is an infection in the amniotic cavity, symptoms of peritonitis may occur, along with manifestations of contractions, presenting as episodic pain in the lower abdomen. These are the symptoms of infection from premature rupture of membranes.

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Written by Zhang Lu
Obstetrics
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Will premature rupture of membranes continuously cause leaking of fluid?

Premature rupture of membranes refers to the rupture of the membranes before labor, characterized by intermittent discharge of amniotic fluid from the vagina. To diagnose premature rupture of membranes, it is necessary to combine the patient's clinical symptoms with objective examinations. However, this does not mean that amniotic fluid will continuously leak after the membranes rupture. The leakage of amniotic fluid in cases of premature rupture of membranes is intermittent, primarily because many patients choose to rest in bed after the rupture. When lying flat, the amniotic fluid will not continuously leak out and may come out in spurts at times. Therefore, the belief that amniotic fluid will continuously leak following premature rupture of membranes is incorrect; intermittent leakage can also indicate a rupture. If premature rupture of membranes cannot be diagnosed based on the vaginal discharge alone, pH test strips may be used to test the fluid. If the pH test strip changes color, it can confirm the diagnosis of premature rupture of membranes.

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Written by Liu Wen Li
Obstetrics
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Premature rupture of membranes

Premature rupture of membranes means that the membranes have ruptured before the onset of labor, before the onset of regular abdominal pain, and the amniotic fluid has already flowed out. This condition is called premature rupture of membranes. Premature rupture of membranes can be harmful. Firstly, after the rupture of the membranes, the barrier of the membranes is gone, which can easily lead to infection. Additionally, after the rupture of the membranes, since the umbilical cord is still very slippery, it can easily fall out with the flow of the amniotic fluid. Once the umbilical cord prolapses, and if the fetal head compresses the umbilical cord, the fetus will not have blood supply, the fetal heart rate will slow down, or even cease, leading to fetal death in utero, etc. Therefore, after the occurrence of premature rupture of membranes, also commonly known as water breaking early, it is important to seek medical attention promptly.

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Written by Zhang Lu
Obstetrics
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Premature rupture of membranes' impact on the fetus

Premature rupture of membranes (PROM) refers to the rupture of the amniotic sac before the onset of labor, primarily affecting the fetus in the following ways. First, PROM can easily lead to premature birth, which may cause immature development of the fetus, often requiring treatment in neonatology. Second, PROM can lead to infections within the uterine cavity, subsequently causing newborn infections that can lead to neonatal death. Third, during the treatment of PROM, complications such as placental abruption or umbilical cord prolapse may occur, which can easily cause intrauterine hypoxia or death of the fetus. For PROM, it is essential to undergo proper treatment and monitoring. If any abnormalities arise, it is crucial to terminate the pregnancy promptly.

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Written by Zhang Lu
Obstetrics
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What are the risks of premature rupture of membranes?

Premature rupture of membranes (PROM) refers to the rupture of the amniotic sac before the onset of labor, resulting in intermittent discharge of amniotic fluid from within the uterine cavity. PROM carries the following risks: Firstly, once rupture occurs, pathogens within the vagina can enter the uterine cavity through the cervix, easily leading to infections within the uterine cavity. Severe cases can cause maternal infections, leading to sepsis or septic shock. Secondly, an infection in the uterine cavity can easily cause fetal hypoxia in utero, or even stillbirth. Thirdly, when PROM occurs, the intermittent outflow of amniotic fluid can lead to prolapse of the umbilical cord. Fourthly, PROM can cause a decrease in the pressure within the uterine cavity, which may lead to the detachment of the placenta from the uterine wall, causing placental abruption.