Premature birth is how many months?

Written by Yue Hua

Obstetrics and Gynecology

Updated on September 17, 2024

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Preterm birth refers to a newborn born between 28 and less than 38 weeks of pregnancy. Moreover, at this time, the heart size is generally more than 1000 grams. There are many reasons for this occurrence, most of which are related to intrauterine infection in pregnant women, such as patients with premature rupture of membranes or chorioamnionitis are prone to preterm birth. Additionally, if there has been a previous pregnancy, abortion, with a short interval between them, or if an ultrasound detects that the cervical length is less than 25 millimeters, there is also an increased likelihood of preterm birth.

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Written by Zhao Li Li

Obstetrics

50sec

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Can oxytocin be used for premature birth?

Under normal circumstances, babies born between 28 and 37 weeks of gestation are referred to as premature infants. Persistent and regular abdominal pain, accompanied by dilation of the cervix, usually suggests preterm labor and a likely onset of labor, necessitating timely medical attention for appropriate examination and treatment. Normally, during the process of preterm labor, if there is insufficient uterine contraction or other abnormal conditions, it might be appropriate to use oxytocin to induce labor. If the mother has no other complications, vaginal delivery is still the primary method of delivery to reduce conditions such as fetal hypoxia in the uterus.

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Written by Zhao Li Li

Obstetrics

50sec

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What are the signs of premature birth?

Under normal circumstances, during preterm labor, there may first be regular uterine contractions accompanied by continuous cervical dilation. This situation should be considered a possible onset of preterm labor. Generally, the period from after 28 weeks to before 37 weeks of gestation is considered the possible range for preterm labor to occur. Therefore, if there are symptoms like regular abdominal pain, backache, or a feeling of heaviness, it is necessary to seek medical attention promptly. When needed, local physical therapy, symptomatic treatment, or administration of medications to sustain the pregnancy can effectively alleviate the symptoms.

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Written by Liu Wei Jie

Obstetrics

1min 8sec

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What is the earliest gestational week that a premature baby can survive?

Preterm infants, how many weeks can survive, first let's talk about the concept of preterm birth. The concept of preterm birth is more than 28 weeks but less than 37 weeks, this is called premature birth. However, with the improvement of neonatal resuscitation technology, in China, if it’s after 26 weeks, the vast majority of newborns can also survive. But after survival, the cost is quite high. For instance, if it's in a top-tier hospital, the cost for newborns born between 26 and 28 weeks can be around several hundred thousand yuan. So, even after some medical insurance policy reimbursements, you would still have to spend around tens of thousands of yuan on your own.

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Written by Zhang Lu

Obstetrics

59sec

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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

50sec

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What are the signs of premature birth?

After 29 weeks of pregnancy, if the baby is born prematurely, it is called preterm birth. When preterm labor occurs, there are some early signs, mainly manifesting as the onset of abdominal pain, which is persistent and gradually worsens. Additionally, due to the contraction of the uterus, the abdomen becomes hard and localized muscle tension occurs, leading to a feeling of swelling. Moreover, when the amniotic fluid ruptures, the pregnant mother will feel a flow of liquid from the vagina and there will be an increase in intestinal activity compared to usual, along with some abnormal vaginal discharge. These are some of the signs of preterm labor.