Premature birth - Symptoms and causes - Mayo Clinic
2024年3月22日 · A premature birth means a baby is born too early. The birth takes place before the 37th week of pregnancy. A typical pregnancy lasts about 40 weeks. Premature babies often have serious health problems, especially when they're …
Preterm Birth: Premature, Causes, Symptoms & Complications
A preterm, premature or “preemie” baby is a baby born too early, or about three weeks before their due date. A full-term pregnancy (fetal development) lasts about 40 weeks. Preterm birth occurs when a baby is born at 37 weeks or earlier.
Preterm birth - Wikipedia
Preterm birth, also known as premature birth, is the birth of a baby at fewer than 37 weeks gestational age, as opposed to full-term delivery at approximately 40 weeks. [1] .
Preterm labor - Symptoms and causes - Mayo Clinic
2022年2月8日 · Preterm labor occurs when regular contractions result in the opening of your cervix after week 20 and before week 37 of pregnancy. Preterm labor can result in premature birth. The earlier premature birth happens, the greater the health risks for your baby. Many premature babies (preemies) need special care in the neonatal intensive care unit.
Preterm birth - World Health Organization (WHO)
2023年5月10日 · Preterm is defined as babies born alive before 37 weeks of pregnancy are completed. There are sub-categories of preterm birth, based on gestational age: extremely preterm (less than 28 weeks) very preterm (28 to less than 32 weeks) moderate to late preterm (32 to 37 weeks).
早产 - 症状与病因 - 妙佑医疗国际 - Mayo Clinic
2024年3月22日 · 早产是指婴儿出生过早，即分娩发生在孕 37 周之前。 典型妊娠持续约 40 周。 早产儿通常会有严重的健康问题，尤其是出生过早的婴儿。 这些问题通常各不相同。 但婴儿出生越早，出现健康问题的风险越高。 新生儿可能是： 晚期早产儿， 即在妊娠期 34 周至 36 周之间出生的婴儿。 中期早产儿， 即在妊娠期 32 周至 34 周之间出生的婴儿。 极早产儿， 即在妊娠期 28 周至 32 周之间出生的婴儿。 超早产儿， 即在妊娠期 28 周之前出生的婴儿。 大多数早产发生 …
Premature Birth: Causes, Preemie Effects, Survival - Verywell Health
2023年9月12日 · Premature birth (preterm birth) occurs when a baby is born before 37 weeks gestation (weeks of pregnancy). Babies born prematurely (sometimes called preemies) may have a higher risk of certain health problems than babies born around their due date. In the United States, about 1 in 10 babies are born prematurely.
Preterm Birth | Maternal Infant Health | CDC - Centers for …
6 天之前 · Preterm labor is labor that happens too soon, before 37 weeks of pregnancy. If you think you are experiencing signs of preterm labor, see a health care provider right away. Your provider may be able to give you medicine so that the baby will be healthier at birth.
Preterm Labor and Birth - ACOG
Preterm birth is the birth of a baby before 37 weeks. Preterm babies may be born with serious health problems. Some health problems, like cerebral palsy, can be lifelong. Other problems, such as learning disabilities, may appear later in childhood or even in adulthood.
Premature (Preterm) Labor: Signs, Causes, and Treatments - WebMD
2022年8月8日 · Premature labor is also called preterm labor. It’s when your body starts getting ready for birth too early in your pregnancy. Labor is premature if it starts more than 3 weeks before your...