^Haram, K; Mortensen, JH; Morrison, JC. Tocolysis for acute preterm labor: does anything work.. The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians. 2014-07-03: 1–8. PMID 24990666.
^GBD 2013 Mortality and Causes of Death, Collaborators. Global, regional, and national age-sex specific all-cause and cause-specific mortality for 240 causes of death, 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013.. Lancet. 2014-12-17. PMID 25530442. doi:10.1016/S0140-6736(14)61682-2.
^Cloherty, John P. Care of the Extremely Low Birth Weight Infant. Manual of neonatal care 7th ed. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins. 2012: 146 [2015-07-13]. ISBN 9781608317776. (原始内容存档于2019-05-20). 引文格式1维护:冗余文本 (link)
^Jarjour, IT. Neurodevelopmental Outcome After Extreme Prematurity: A Review of the Literature.. Pediatric neurology. February 2015, 52 (2): 143–152. PMID 25497122.
^
Mathew TJ, MacDorman MF. Infant Mortality Statistics from the 2003 Period Linked Birth/Infant Death Data Set. National Vital Statistics Reports. 2006, 54 (16).
^
Morgan MA, Goldenberg RL, Schulkin J. Obstetrician-gynecologists' practices regarding preterm birth at the limit of viability. Journal of Maternal-Fetal and Neonatal Medicine. 2008, 21 (2): 115–121. PMID 18240080. doi:10.1080/14767050701866971.
^American College of Obstetricians and Gynecologists; Society for Maternal-Fetal Medicine. Obstetric Care consensus No. 6: Periviable Birth. Obstetrics and Gynecology. October 2017, 130 (4): e187–e199. ISSN 1873-233X. PMID 28937572. doi:10.1097/AOG.0000000000002352.
^Arzuaga BH, Lee BH. Limits of Human Viability in the United States: A Medicolegal Review. Pediatrics. 2011, 128 (6): 1047–1052. PMID 22065266. doi:10.1542/peds.2011-1689.
^Lambert, Scott R.; Lyons, Christopher J. Taylor and Hoyt's pediatric ophthalmology and strabismus. Lambert, Scott R.,, Lyons, Christopher J. Fifth. Edinburgh. 2016-10-31. ISBN 9780702066160. OCLC 960162637.
^Marlow N, Wolke D, Bracewell MA, Samara M. Neurologic and Developmental Disability at Six Years of Age after Extremely Preterm Birth. The New England Journal of Medicine. 2005-01-06, 352 (1): 9–19. PMID 15635108. doi:10.1056/NEJMoa041367.
^Behrman, Richard E.; Butler, Adrienne Stith; Outcomes, Institute of Medicine (US) Committee on Understanding Premature Birth and Assuring Healthy. Biological Pathways Leading to Preterm Birth. National Academies Press (US). 2007 [2019-05-11]. (原始内容存档于2020-02-13) (英语).
^Davey, MA; Watson, L; Rayner, JA; Rowlands, S. Risk-scoring systems for predicting preterm birth with the aim of reducing associated adverse outcomes. The Cochrane Database of Systematic Reviews. 2015-10-22, 10 (10): CD004902. PMID 26490698. doi:10.1002/14651858.CD004902.pub5.
^ 27.027.1Unless otherwise given in boxes, reference is: Van Os, M.; Van Der Ven, J.; Kazemier, B.; Haak, M.; Pajkrt, E.; Mol, B. W.; De Groot, C. Individualizing the risk for preterm birth: An overview of the literature. Expert Review of Obstetrics & Gynecology. 2013, 8 (5): 435–442. doi:10.1586/17474108.2013.825481.
^ 30.030.130.2Tersigni, C.; Castellani, R.; de Waure, C.; Fattorossi, A.; De Spirito, M.; Gasbarrini, A.; Scambia, G.; Di Simone, N. Celiac disease and reproductive disorders: meta-analysis of epidemiologic associations and potential pathogenic mechanisms. Human Reproduction Update. 2014, 20 (4): 582–593. ISSN 1355-4786. PMID 24619876. doi:10.1093/humupd/dmu007.
^The Care of Women Requesting Induced Abortion(PDF). Evidence-based Clinical Guideline No. 7. Royal College of Obstetricians and Gynaecologists: 44, 45. November 2011 [2013-05-31]. (原始内容(PDF)存档于2012-05-29).
^
Virk J, Zhang J, Olsen J. Medical Abortion and the Risk of Subsequent Adverse Pregnancy Outcomes. New England Journal of Medicine. 2007, 357 (7): 648–653. PMID 17699814. doi:10.1056/NEJMoa070445.
^Shah PS, Balkhair T, Ohlsson A, Beyene J, Scott F, Frick C. Intention to become pregnant and low birth weight and preterm birth: a systematic review.. Maternal and Child Health Journal. February 2011, 15 (2): 205–16. PMID 20012348. doi:10.1007/s10995-009-0546-2.
^Tsur, A.; Mayo, J. A.; Wong, R. J.; Shaw, G. M.; Stevenson, D. K.; Gould, J. B. 'The obesity paradox': a reconsideration of obesity and the risk of preterm birth. Journal of Perinatology. 2017-07-27, 37 (10): 1088–1092. ISSN 1476-5543. PMID 28749482. doi:10.1038/jp.2017.104.
^Saccone G, Berghella V, Sarno L, Maruotti GM, Cetin I, Greco L, Khashan AS, McCarthy F, Martinelli D, Fortunato F, Martinelli P. Celiac disease and obstetric complications: a systematic review and metaanalysis. Am J Obstet Gynecol. 2015-10-09, 214 (2): 225–34. PMID 26432464. doi:10.1016/j.ajog.2015.09.080.
^
Bánhidy F, Acs N, Puhó EH, Czeizel AE. Pregnancy complications and birth outcomes of pregnant women with urinary tract infections and related drug treatments. Scandinavian Journal of Infectious Diseases. 2007, 39 (5): 390–397. PMID 17464860. doi:10.1080/00365540601087566.
^
To MS, Skentou CA, Royston P, Yu CK, Nicolaides KH. Prediction of patient-specific risk of early preterm delivery using maternal history and sonographic measurement of cervical length: a population-based prospective study. Ultrasound in Obstetrics & Gynecology. 2006, 27 (4): 362–367. PMID 16565989. doi:10.1002/uog.2773.
^
Fonseca EB, Celik E, Parra M, Singh M, Nicolaides KH. Progesterone and the risk of preterm birth among women with a short cervix. New England Journal of Medicine. 2007, 357 (5): 462–469. PMID 17671254. doi:10.1056/NEJMoa067815.
^
Dola SM, Gross SJ, Merkatz IR, et al. The Contribution of Birth Defects to Preterm Birth and Low Birth Weight. Obstetrics & Gynecology. 2007, 110 (2, Part 1): 318–324. PMID 17666606. doi:10.1097/01.AOG.0000275264.78506.63.
^van den Boogaard E, Vissenberg R, Land JA, van Wely M, van der Post JA, Goddijn M, Bisschop PH. Significance of (sub)clinical thyroid dysfunction and thyroid autoimmunity before conception and in early pregnancy: A systematic review. Human Reproduction Update. 2011, 17 (5): 605–619. PMID 21622978. doi:10.1093/humupd/dmr024.
^Boy A, Salihu HM. Intimate partner violence and birth outcomes: a systematic review. Int J Fertil Womens Med. 2004, 49 (4): 159–64.
^
Ugboma HA, Akani CI. Abdominal massage: another cause of maternal mortality. Niger J Med. 2004, 13 (3): 259–62. PMID 15532228.
^Lis, R.; Rowhani-Rahbar, A.; Manhart, L. E. Mycoplasma genitalium Infection and Female Reproductive Tract Disease: A Meta-Analysis. Clinical Infectious Diseases. 2015, 61 (3): 418–26. ISSN 1058-4838. PMID 25900174. doi:10.1093/cid/civ312.
^Schendel, D. E. Infection in pregnancy and cerebral palsy. Journal of the American Medical Women's Association (1972). 2001, 56 (3): 105–108. ISSN 0098-8421. PMID 11506145.
^Thinkhamrop, J; Hofmeyr, GJ; Adetoro, O; Lumbiganon, P; Ota, E. Antibiotic prophylaxis during the second and third trimester to reduce adverse pregnancy outcomes and morbidity. The Cochrane Database of Systematic Reviews. 2015-06-20, 6 (6): CD002250. PMID 26092137. doi:10.1002/14651858.CD002250.pub3.
^Widmer, M; Lopez, I; Gülmezoglu, AM; Mignini, L; Roganti, A. Duration of treatment for asymptomatic bacteriuria during pregnancy. The Cochrane Database of Systematic Reviews. 2015-11-11, 11 (11): CD000491. PMID 26560337. doi:10.1002/14651858.CD000491.pub3.
^ 68.068.1Sangkomkamhang, US; Lumbiganon, P; Prasertcharoensuk, W; Laopaiboon, M. Antenatal lower genital tract infection screening and treatment programs for preventing preterm delivery. The Cochrane Database of Systematic Reviews. 2015-02-01, 2 (2): CD006178. PMID 25922860. doi:10.1002/14651858.CD006178.pub3.
^
Jeffcoat MK, Geurs NC, Reddy MS, Cliver SP, Goldenberg RL, Hauth JC. Periodontal Infection and Preterm Birth. Journal of the American Dental Association. 2001, 132 (7): 875–880. PMID 11480640. doi:10.14219/jada.archive.2001.0299.