How many months premature can survive?

Written by Zhao Li Li
Obstetrics
Updated on April 20, 2025
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Premature infants are those born between 28 and 37 weeks of gestation. Due to the incomplete development of various organ functions, premature infants are prone to a range of complications after birth, which can be severe and may even lead to death. Generally, the survival rate of premature infants is higher if they reach at least seven months, or 28 weeks, of gestation. If premature birth is inevitable, it is recommended to seek medical care at a qualified institution with specialized neonatal resuscitation wards to enhance the chances of the infant's survival. Generally, the chances of survival significantly increase when care is received at such medical facilities.

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Written by Zhang Lu
Obstetrics
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What are the causes of premature birth?

Preterm birth refers to delivery between 28 and 36+6 weeks of pregnancy. Due to the lighter weight and lower maturity of the fetus at this stage, the survival rate of newborns is often reduced. The causes of preterm birth include the following aspects: First, the presence of vaginal inflammation can easily lead to premature rupture of membranes, which in turn triggers contractions and can lead to preterm labor. Second, in twin or multiple pregnancies, the increased irritability of the uterine wall can easily cause spontaneous contractions, which in turn lead to preterm labor. Third, an excess of amniotic fluid can increase the pressure inside the amniotic cavity, easily stimulating spontaneous uterine contractions or premature rupture of membranes. Additionally, if the cervical canal is congenitally short, or if there has been previous cervical surgery, this can also easily lead to preterm labor.

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Written by Du Rui Xia
Obstetrics
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What should I do if a premature baby spits up milk?

For premature babies who experience spitting up, first pay attention to the feeding position. During feeding, make sure to hold the baby up with their head higher than their buttocks, which facilitates the smooth passage of milk through the gastrointestinal tract. Additionally, if the baby vomits, first pick the baby up and gently pat their back to help release some of the residual gas in the stomach, which can reduce spitting up and vomiting. Also, during feeding, be mindful not to feed too much at once; feeding small amounts more frequently can also help prevent spitting up.

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Written by Du Rui Xia
Obstetrics
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How many weeks early can a premature baby survive?

Preterm birth refers to births that occur after 28 weeks of pregnancy but before 37 weeks. Preterm infants have lower resistance compared to full-term infants and generally require special care to survive. The survival rate varies with the gestational age: at 32 to 33 weeks, the survival rate can reach 95%; at 28 to 31 weeks, it is between 90% and 95%; at 26 weeks, it is around 80%; and at 27 weeks, it is about 90%. After 34 weeks of pregnancy, the survival rate of the baby is very high, almost the same as that of a full-term baby.

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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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How to prevent preterm birth

The causes of preterm birth are numerous, and prevention mainly involves addressing these causes. For etiological reasons, proactive treatment of some chronic diseases is necessary. For pregnant women with a history of preterm birth, it is crucial to pay close attention two to three weeks before the previous preterm birth date. They should avoid overexertion, abstain from sexual activity, and rest in bed until the expected due date. It is also important to identify the causes of preterm birth, such as cervical insufficiency. If so, a cerclage surgery can be performed around the 14th week of pregnancy. If a pregnant woman shows signs of labor or preterm birth, she should be given oxygen immediately, and an injection of vitamin K should be administered to prevent intracranial hemorrhage in the newborn.