Premature rupture of membranes caused by

Written by Du Rui Xia
Obstetrics
Updated on May 15, 2025
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The main cause of premature rupture of membranes leading to preterm birth is infection of the reproductive tract, including vaginitis and cervicitis. These inflammations can ascend along the vagina and uterus, affecting the amniotic membrane and leading to its damage, which causes premature rupture of the membrane. Therefore, women should receive timely treatment for any gynecological infections before or during pregnancy, and should not take them lightly. Additionally, high pressure in the amniotic cavity, such as with multiple pregnancies or excessive amniotic fluid, can exceed the tolerance of the amniotic membrane and cause it to rupture prematurely. Moreover, physical trauma to the mother, sexual intercourse during pregnancy with excessive movement, or improper amniocentesis can also lead to premature rupture of the membranes.

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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 Du Rui Xia
Obstetrics
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Is prematurity prone to jaundice?

Premature infants often exhibit jaundice. This is because during premature birth, the baby's gas distension function is not yet perfect, the liver's detoxification capabilities are relatively weak, and the ability to process bilirubin is poor. Therefore, jaundice easily occurs, and the physiological jaundice in premature infants is more severe compared to full-term infants. Due to the reduced sucking ability and swallowing reflex in premature infants and their underdeveloped intestinal function, most babies cannot be normally breastfed after birth. The increased absorption of bilirubin in the intestines exacerbates the jaundice in premature infants. It is advised for premature infants to initiate breastfeeding as soon as possible and some medications can also be used to promote liver enzyme activity.

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Written by Liu Wen Li
Obstetrics
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How to induce lactation in premature births

The lactation induction for premature births is actually the same as for full-term births. First and foremost, it starts with the individual. Through diet, the amount of breast milk can be increased, for example, by consuming more soups, such as rice porridge, noodle soup, milk, and soy milk. Since 90% of breast milk is water, replenishing water is essential for sufficient milk supply. Additionally, it is important to keep a pleasant mood. The mother should be happy and have enough sleep, as these factors can help increase milk production. Moreover, it is important to let the baby nurse more frequently and intensively, because the act of breastfeeding stimulates the breasts as a reflex. The more frequently and the more the baby nurses, the more milk is produced through this reflex. What should one do if the baby is premature and in pediatrics? In such cases, it's necessary to pump milk every 3 hours. Pumping itself also creates stimulation that promotes milk secretion.

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Written by Du Rui Xia
Obstetrics
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Does placenta previa cause preterm birth?

When a placenta previa occurs, it is likely to lead to premature birth. Placenta previa is a condition where, after 28 weeks of pregnancy, the placenta is positioned low in the uterus, often below the presenting part of the fetus, and attaches to the lower segment of the uterus or near the internal os of the cervix. In the late stages of pregnancy, dilation of the cervix can cause the placenta to be misaligned with the uterine wall, leading to recurrent, painless bleeding. When the bleeding reaches a certain amount, it can easily lead to premature separation of the placenta, inducing uterine contractions and the onset of premature birth. In cases of placenta previa with significant vaginal bleeding, it is necessary to terminate the pregnancy promptly.

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Written by Liu Wen Li
Obstetrics
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How is preterm birth defined?

Premature birth means that the gestational period is not yet complete, and the baby is born before reaching full term, which is called preterm birth. Specifically, this ranges from more than 28 weeks but less than 37 weeks of gestation. Due to the incomplete development of premature infants, their organ functions are relatively poor. Therefore, caring for premature infants can be more challenging, often requiring pediatric care and enhanced nursing. Moreover, there are more complications, so it is important to try to prevent premature births as much as possible.