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These babies are also known as premature babies or colloquially preemies (American English) [9] or premmies (Australian English). [10] Symptoms of preterm labor include uterine contractions which occur more often than every ten minutes and/or the leaking of fluid from the vagina before 37 weeks.
Preterm birth is associated with alterations in volume of nervous tissue in early adulthood, including temporal, frontal, parietal and occipital areas. [20] Third-trimester brain development involves energy-dependent biological processes for optimal brain growth, which are disturbed in preterm infants even without observable structural brain ...
Late preterm infants are infants born at a gestational age between 34 + 0 ⁄ 7 weeks and 36 + 6 ⁄ 7 weeks. [1] They have higher morbidity and mortality rates than term infants (gestational age ≥37 weeks) due to their relative physiologic and metabolic immaturity, even though they are often the size and weight of some term infants.
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A newborn is, in colloquial use, a baby who is only hours, days, or weeks old; while in medical contexts, a newborn or neonate (from Latin, neonatus, newborn) is an infant in the first 28 days after birth [2] (the term applies to premature, full term, and postmature infants).
Over 50% of infants who are born preterm are estimated to be affected by apnea of prematurity. [2] Infants who are born weighing less than 1000g have close to a 100% risk of being affected by apnea of prematurity. Most premature infants are affected by 'central' apnea due to the developmental stage of their respiratory tract. [2]
When using cannabis, there is a greater risk of birth defects, low birth weight, and a higher rate of death in infants or stillbirths. [38] Drug use will influence extreme irritability, crying, and risk for SIDS once the fetus is born. [39] Marijuana will slow the fetal growth rate and can result in premature delivery.
The term physiological prematurity (also described as altriciality) refers to the fact that compared to most animals, humans are born in a premature biological state.. Although sensory organs and skeletal and muscular systems are largely developed prenatally, human babies at the time of their birth are completely helpless and dependent on intensiv