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 Du Rui Xia

Obstetrics

49sec

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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 Zhao Li Li

Obstetrics

44sec

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What should I do if a premature baby has poor gastrointestinal health?

In the process of premature birth, due to the incomplete development of various organs and the nervous system, a series of complications may occur in various systems. If there is currently gastrointestinal discomfort after premature birth, it still needs to be adjusted in many aspects. Firstly, during the feeding process, it is recommended to pay attention to the feeding scale of the formula, and it is also necessary to maintain the cleanliness of bottle feeding. If frequent diarrhea and other gastrointestinal conditions occur, some probiotics for the intestines can be applied for adjustment, or some antidiarrheal medications can be used for symptomatic treatment.

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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 Zhang Lu

Obstetrics

1min 3sec

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Will early engagement of the fetus lead to premature birth?

Fetal engagement refers to the leading part of the fetus having entered into the woman's pelvis. There isn't a necessary correlation between fetal engagement and preterm birth; however, fetal engagement could indicate a possibility of preterm birth or an upcoming labor. It is important to pay attention to the timing of fetal engagement and the expectant mother's sensations post-engagement. Firstly, for the vast majority of pregnant women, fetal engagement should occur after week 32 or 34. Early engagement should prompt attention to the presence of other clinical symptoms. Secondly, be mindful if there are feelings of descent or abdominal pain after the fetal engagement. Regular checks of the cervical canal length should be conducted if these sensations frequently occur. If the cervical canal is progressively shortening, it may suggest a risk of preterm birth. If there is no shortening of the cervical canal, it means that the fetal engagement and these clinical symptoms are unlikely to cause preterm birth.

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Written by Liu Wei Jie

Obstetrics

49sec

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Is a posterior placenta more likely to lead to premature birth?

The placenta is divided into anterior and posterior walls, with the posterior wall being a normal location for the placenta, which is unrelated [to preterm birth]. Generally, there is a hereditary tendency for preterm birth, and it is more likely to occur in individuals with certain physical constitutions or in cases of twin pregnancies. Additionally, people with gestational diabetes are also prone to preterm birth. Therefore, the posterior wall of the placenta has no correlation with preterm birth. Conditions like placenta previa or premature placental detachment are placental positions that can lead to preterm birth issues, and some people may experience preterm birth under these circumstances.