What will happen to fetal movement if the membranes rupture prematurely?

Written by Zhao Li Li
Obstetrics
Updated on September 20, 2024
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Generally, if premature rupture of membranes occurs, it is necessary to clearly determine the specific development of the embryo and the specific gestational age. If the fetus is preterm with premature rupture of membranes, it is necessary to promptly provide anti-infection treatment and promote fetal lung maturity among other symptomatic treatments. If the fetus is already at term, it is important to closely monitor the specific condition of cervical dilation and abdominal pain to decide on the mode of delivery. Normally, premature rupture of membranes does not affect fetal movement at all. A fetal heart rate monitoring test can be conducted to clarify the specific situation of the embryo's development within the uterine cavity and whether there is any fetal hypoxia, to comprehensively analyze the situation.

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Written by Du Rui Xia
Obstetrics
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Can you still have a natural birth if the membranes rupture prematurely?

Whether a natural delivery is possible after premature rupture of membranes depends on the condition of the pregnant woman and the fetus. If the woman's pelvis is normal and there are no signs of intrauterine hypoxia in the baby, then a natural delivery can be conducted. If, during natural delivery, the baby shows signs of hypoxia or the woman's pelvic conditions are not favorable, a cesarean section should be performed promptly after the premature rupture of membranes. If delivery cannot be achieved naturally within 24 hours after the premature rupture of membranes, it is crucial to prevent infection.

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Written by Yue Hua
Obstetrics and Gynecology
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Premature rupture of membranes requires what examinations?

To diagnose premature rupture of membranes, first, a pH test of the vaginal fluid must be conducted. The normal pH value of vaginal fluid in women ranges from 4.5 to 5.5, whereas the pH of amniotic fluid ranges from 7.0 to 7.5. If the membranes have ruptured prematurely, the pH value would be greater than 6.5. Additionally, a smear test of the vaginal fluid can be done by placing vaginal secretions under a glass slide and examining them under a microscope. If fern-like crystals are observed, this indicates the presence of amniotic fluid. Furthermore, an ultrasound examination can be conducted. If the ultrasound shows a rapid decrease in the amount of amniotic fluid, this can assist in the diagnosis.

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Written by Zhang Lu
Obstetrics
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How is premature rupture of membranes diagnosed?

Premature rupture of membranes refers to the rupture of the membranes before the onset of labor, followed by the leakage of amniotic fluid. It is necessary to distinguish premature rupture of membranes from increased vaginal discharge and urinary incontinence. The methods to diagnose premature rupture of membranes include the following aspects: First, symptomatically, after the rupture of membranes, a clear liquid intermittently leaks from the vagina, accompanied by mild abdominal pain or bloody show. Second, after the rupture of membranes, the liquid leaking from the vagina can be tested with pH paper, which in most cases will change color, confirming the diagnosis of premature rupture of membranes. Third, an ultrasound can be used to observe a reduction in the amount of amniotic fluid within the amniotic cavity. Fourth, the leaking fluid can be examined under a microscope to observe "fern-like" crystallization, which can also confirm the diagnosis of premature rupture of membranes.

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Written by Zhang Lu
Obstetrics
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How is premature rupture of membranes diagnosed?

Premature rupture of membranes refers to the rupture of the membranes before labor, with amniotic fluid leaking intermittently. For the diagnosis of premature rupture of membranes, the following methods are primarily used. First, through the symptoms of the patient, when the membranes rupture prematurely, a clear liquid intermittently leaks from the vagina. However, this liquid must be distinguished from vaginal secretions and urine. Second, judgement can be made based on the presence of fern-like crystals in the amniotic fluid. A small amount of the liquid can be taken and observed under a microscope, and if distinct fern-like crystals are observed, it can be concluded that there is premature rupture of membranes. Third, the use of premature rupture of membranes test strips can aid in diagnosis. If the test strip changes color upon contact with the leaking fluid, it can be definitively diagnosed as premature rupture of membranes. Fourth, ultrasound can serve as a supplementary method, as amniotic fluid often decreases with premature rupture of membranes, and an ultrasound can reveal amniotic fluid levels below the normal range.

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Written by Zhang Lu
Obstetrics
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Premature rupture of membranes how is it shown on ultrasound?

Ultrasound is a commonly used auxiliary method for diagnosing premature rupture of membranes. After the membranes rupture prematurely, amniotic fluid intermittently leaks out from the uterine cavity, but the production of amniotic fluid often cannot keep up with the leakage. Therefore, the majority of pregnant women with premature rupture of membranes will experience a reduction in amniotic fluid volume. Ultrasound will reveal that there is still a small amount of amniotic fluid in the amniotic cavity, but the volume is much lower than the normal range; the maximum depth of the amniotic fluid should be less than three centimeters, and the amniotic fluid index should be less than eight centimeters, which is a common occurrence. However, sometimes, if not much amniotic fluid leaks out after premature rupture of membranes, the ultrasound may sometimes show that the amniotic fluid volume is normal. In such cases, it is necessary to combine this finding with the patient's clinical symptoms to jointly determine the presence of premature rupture of membranes.