Historically, the definition of prematurity was 2500 grams (about 5 1/2 pounds) or less at birth. The current World Health Organization definition of prematurity is a baby born before 37 weeks of gestation, counting from the first day of the Last Menstrual Period (LMP).
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1. The state of being premature. 2. In dentistry, deflective occlusal contact.

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pre·ma·tu·ri·ty -mə-'t(y)u̇r-ət-ē, -'chu̇r-, chiefly Brit .prem-ə- n, pl -ties
1) the condition of an infant born viable but before its proper time

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pre·ma·tur·i·ty (pre″mə-chrґĭ-te) underdevelopment; the condition of a premature infant.

Medical dictionary. 2011.

Look at other dictionaries:

  • Prematurity — Pre ma*tu ri*ty, n. [Cf. F. pr[ e]maturit[ e].] The quality or state of being premature; early, or untimely, ripeness; as, the prematurity of genius. [1913 Webster] …   The Collaborative International Dictionary of English

  • prematurity — premature ► ADJECTIVE 1) occurring or done before the proper time. 2) (of a baby) born before the end of the full term of gestation. DERIVATIVES prematurely adverb prematurity noun. ORIGIN Latin praematurus very early …   English terms dictionary

  • prematurity — noun see premature …   New Collegiate Dictionary

  • prematurity — See prematurely. * * * …   Universalium

  • prematurity — noun The condition of a baby being premature …   Wiktionary

  • prematurity — Synonyms and related words: forwardness, haste, hastiness, impropriety, impulse, impulsiveness, inappropriateness, inauspiciousness, inconvenience, inexpedience, infelicity, inopportuneness, inopportunity, intempestivity, interruption, intrusion …   Moby Thesaurus

  • prematurity — premÉ™ tÊŠrÉ™tɪ / tʃʊər n. state of being excessively early; hurriedness, hastiness, rashness, impetuousness …   English contemporary dictionary

  • prematurity — pre·maturity …   English syllables

  • prematurity — noun the state of being premature • Syn: ↑prematureness • Derivationally related forms: ↑premature, ↑premature (for: ↑prematureness) • Hypernyms: ↑imm …   Useful english dictionary

  • Retinopathy of prematurity — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 11442 ICD10 = ICD10|H|35|1|h|30 ICD9 = ICD9|362.21 ICDO = OMIM = MedlinePlus = eMedicineSubj = oph eMedicineTopic = 413 eMedicine mult = eMedicine2|ped|1998 | MeshID = D012178 Retinopathy of… …   Wikipedia

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