REFERENCES
1. Liggins GC, Howie RN. A controlled trial of antepartum glucocorticoid
treatment for prevention of the respiratory distress syndrome in
premature infants. Pediatrics 1972;50(4):515-25.
2. Roberts D, Brown J, Medley N, et al. Antenatal corticosteroids for
accelerating fetal lung maturation for women at risk of preterm birth.Cochrane database of systematic reviews 2017(3)
3. McGoldrick E, Stewart F, Parker R, et al. Antenatal corticosteroids
for accelerating fetal lung maturation for women at risk of preterm
birth. Cochrane Database of Systematic Reviews 2020(12)
4. Razaz N, Skoll A, Fahey J, et al. Trends in Optimal, Suboptimal, and
Questionably Appropriate Receipt of Antenatal Corticosteroid
Prophylaxis. Obstetrics & Gynecology 2015;125(2):288-96.
5. Joseph K, Nette F, Scott H, et al. Prenatal corticosteroid
prophylaxis for women delivering at late preterm gestation.Pediatrics 2009;124(5):e835-e43.
6. Liauw J, Burrows J, Crane JM, et al. A Common Language: What Exactly
Does 34 Weeks Gestation Mean? Journal of Obstetrics and
Gynaecology Canada 2018;40(12):1623-26.
7. Gyamfi-Bannerman C, Thom EA, Blackwell SC, et al. Antenatal
betamethasone for women at risk for late preterm delivery. New
England Journal of Medicine 2016;374(14):1311-20.
8. Obstetricians ACo, Gynecologists, Practice CoO. Committee opinion no.
677: antenatal corticosteroid therapy for fetal maturation.Obstetrics and gynecology 2016;128(4):e187-e94.
9. Committee SfM-FMP. Implementation of the use of antenatal
corticosteroids in the late preterm birth period in women at risk for
preterm delivery. Am J Obstet Gynecol 2016;215(2):B13-5.
10. Kerstjens JM, Bocca-Tjeertes IF, de Winter AF, et al. Neonatal
morbidities and developmental delay in moderately preterm-born children.Pediatrics 2012;130(2):e265-e72.
11. Souter V, Kauffman E, Marshall AJ, et al. Assessing the potential
impact of extending antenatal steroids to the late preterm period.American Journal of Obstetrics and Gynecology 2017;217(4):461.
e1-61. e7.
12. Kamath-Rayne BD, Rozance PJ, Goldenberg RL, et al. Antenatal
corticosteroids beyond 34 weeks gestation: what do we do now?American journal of obstetrics and gynecology 2016;215(4):423-30.
13. Practice CoO. Committee Opinion No. 713: antenatal corticosteroid
therapy for fetal maturation. Obstetrics and gynecology2017;130(2):e102-e09.
14. Fair M, Cyr M, Allen AC, et al. An assessment of the validity of a
computer system for probabilistic record linkage of birth and infant
death records in Canada. Chronic Dis Can 2000;21(1):8-13.
15. Prevention. CfDCa. Centers for Disease Control and Prevention
Website
2022 [Available from:
https://www.cdc.gov/nchs/data_access/vitalstatsonline.htm accessed
Accessed May 10, 2022.
16. National Institute of Child Health and Human Development. Effect of
corticosteroids for fetal maturation on perinatal outcomes. NIH1994;12(2):1-24.
17. Roberts D, Dalziel S. Antenatal corticosteroids for accelerating
fetal lung maturation for women at risk of preterm birth. Cochrane
Database Syst Rev 2006;3(3)
18. Crane J, Armson A, Brunner M, et al. Antenatal corticosteroid
therapy for fetal maturation. Journal of obstetrics and
gynaecology Canada 2003;25(1):45-52.
19. Kearsey EO, Been JV, Souter VL, et al. The impact of the Antenatal
Late Preterm Steroids trial on the administration of antenatal
corticosteroids. American Journal of Obstetrics and Gynecology2022
20. Leviton LC, Baker S, Hassol A, et al. An exploration of opinion and
practice patterns affecting low use of antenatal corticosteroids.American journal of obstetrics and gynecology 1995;173(1):312-16.
21. Schmidt B, Seshia M, Shankaran S, et al. Effects of Prophylactic
Indomethacin in Extremely Low-Birth-Weight Infants With and Without
Adequate Exposure to Antenatal Corticosteroids. Archives of
pediatrics & adolescent medicine 2011;165(7):642-46.
22. Frändberg J, Sandblom J, Bruschettini M, et al. Antenatal
corticosteroids: a retrospective cohort study on timing, indications and
neonatal outcome. Acta obstetricia et gynecologica Scandinavica2018;97(5):591-97.
23. Norman M, Piedvache A, Børch K, et al. Association of short
antenatal corticosteroid administration-to-birth intervals with survival
and morbidity among very preterm infants: results from the EPICE cohort.JAMA pediatrics 2017;171(7):678-86.
24. Asztalos EV, Murphy KE, Willan AR, et al. Multiple Courses of
Antenatal Corticosteroids for Preterm Birth StudyOutcomes in Children at
5 Years of Age (MACS-5) Antenatal Corticosteroids for Preterm
BirthAntenatal Corticosteroids for Preterm Birth. JAMA pediatrics2013;167(12):1102-10.
25. Räikkönen K, Gissler M, Kajantie E. Associations between maternal
antenatal corticosteroid treatment and mental and behavioral disorders
in children. Jama 2020;323(19):1924-33.
26. Allouche M, Huissoud C, Guyard-Boileau B, et al. Development and
validation of nomograms for predicting preterm delivery. American
journal of obstetrics and gynecology 2011;204(3):242. e1-42. e8.
27. DeFranco EA, Lewis DF, Odibo AO. Improving the screening accuracy
for preterm labor: is the combination of fetal fibronectin and cervical
length in symptomatic patients a useful predictor of preterm birth? A
systematic review. American journal of obstetrics and gynecology2013;208(3):233. e1-33. e6.
28. Boots AB, Sanchez-Ramos L, Bowers DM, et al. The short-term
prediction of preterm birth: a systematic review and diagnostic
metaanalysis. American journal of obstetrics and gynecology2014;210(1):54. e1-54. e10.
29. Melamed N, Murphy K, Barrett J, et al. Benefit of antenatal
corticosteroids by year of birth among preterm infants in Canada during
2003–2017: a population‐based cohort study. BJOG: An
International Journal of Obstetrics & Gynaecology 2021;128(3):521-31.
30. Jobe AH, Goldenberg RL. Antenatal corticosteroids: an assessment of
anticipated benefits and potential risks. American journal of
obstetrics and gynecology 2018;219(1):62-74.
31. Schmidt AF, Kemp MW, Rittenschober-Böhm J, et al. Low-dose
betamethasone-acetate for fetal lung maturation in preterm sheep.American journal of obstetrics and gynecology 2018;218(1):132.
e1-32. e9.
32. Schmitz T, Doret M, Sentilhes L, et al. LB03 Dose reduction of
antenatal betamethasone in women at risk of very preterm delivery
(BETADOSE trial). American Journal of Obstetrics & Gynecology2021;224(2):S723-S24.
33. Schmitz T, Alberti C, Ursino M, et al. Full versus half dose of
antenatal betamethasone to prevent severe neonatal respiratory distress
syndrome associated with preterm birth: study protocol for a randomised,
multicenter, double blind, placebo-controlled, non-inferiority trial
(BETADOSE). BMC pregnancy and childbirth 2019;19(1):1-9.
34. Senat M, Minoui S, Multon O, et al. Effect of dexamethasone and
betamethasone on fetal heart rate variability in preterm labour: a
randomised study. BJOG: An International Journal of Obstetrics &
Gynaecology 1998;105(7):749-55.
35. Ninan K, Morfaw F, Murphy KE, et al. Neonatal and Maternal Outcomes
of Lower Versus Standard Doses of Antenatal Corticosteroids for Women at
Risk of Preterm Delivery: A Systematic Review of Randomized Controlled
Trials. Journal of Obstetrics and Gynaecology Canada2021;43(1):74-81.
Figure Legends: