Author, year and place of publication |
Description of the sample |
Number of births |
Method used to estimate gestational agea
|
% preterm births |
% low birth weight |
|
Horta et al, 1111 . Horta BL, Barros FC, Halpern R, Victora CG. Baixo peso ao nascer em duas
coortes de base populacional no Sul do Brasil. Cad Saude Publica .
1996;12(Supl 1):S27-31. DOI:10.1590/S0102-311X1996000500005 https://doi.org/10.1590/S0102-311X199600...
1993,
Pelotas, RS |
Study of all births in all maternity hospitals in the city
throughout the year |
5,249 |
LMP |
7.5 |
9.6 |
Bettiol et al, 77 . Bettiol H, Rona RJ, Chinn S, Goldani M, Barbieri MA. Factors associated
with preterm births in southeast Brazil: a comparison of two birth cohorts born 15 years
apart. Paediatr Perinat Epidemiol . 2000;14(1):30-8.
DOI:10.1046/j.1365-3016.2000.00222.x https://doi.org/10.1046/j.1365-3016.2000...
1994,
Ribeirao Preto, SP |
Study of all births in all maternity hospitals in the city for
five months |
2,846 |
LMP, regression model used to impute GA for unknown values |
13.3 |
12.3 |
Silva et al, 2323 . Silva AAM, Coimbra LC, Silva RA, Alves MTSSB, Lamy Filho F, Lamy ZC, et
al. Perinatal health and mother-child health care in the municipality of São Luís,
Maranhão State, Brazil. Cad Saude Publica . 2001;17(6):1413-23.
DOI:10.1590/S0102-311X2001000600025 https://doi.org/10.1590/S0102-311X200100...
1997-1998,
Sao Luís, MA |
Study of a systematic sample of hospital births throughout the
year |
2,487 |
LMP, regression model used to impute GA for unknown values |
13.9 |
9.6 |
Rondo et al, 2121 . Rondo PH, Ferreira RF, Nogueira F, Ribeiro MC, Lobert H, Artes R. Maternal
psychological stress and distress as predictors of low birth weight, prematurity and
intrauterine growth retardation. Eur J Clin Nutr . 2003;57(2):266-72.
DOI:10.1038/sj.ejcn.1601526 https://doi.org/10.1038/sj.ejcn.1601526...
1997-2000,
Jundiaí, SP |
Study of newborns in a cohort of pregnant women attending
antenatal care |
865 |
LMP, US, Capurro |
4.2 |
6.5 |
Lunardelli et al, 1515 . Lunardelli AN, Peres MA. Is there an association between periodontal
disease, prematurity and low birth weight? A population-based study. J Clin
Periodontol . 2005;32(9):938-46.
DOI:10.1111/j.1600-051X.2005.00759.x https://doi.org/10.1111/j.1600-051X.2005...
2003,
Itajaí, SC |
Study of newborns from a group of women selected after
exclusion criteria (age, disease, number of teeth) for five months in maternity
hospitals |
449 |
LMP |
7.1 |
5.5 |
Barros et al, 33 . Barros AJD, Santos IS, Victora CG, Albernaz EP, Domingues MR, Timm IK, et
al. Coorte de nascimentos de Pelotas, 2004: metodologia e descrição. Rev Saude
Publica . 2006;40(3):402-13.
DOI:10.1590/S0034-89102006000300007 https://doi.org/10.1590/S0034-8910200600...
2004,
Pelotas, RS |
Study of all births in all maternity hospitals in the city
throughout the year |
4,231 |
LMP, US |
15 |
10 |
Gurgel et al, 1010 . Gurgel RQ, Nery AMDG, Almeida MLD, Oliveira ERR, Lima DDF, Bettiol H, et
al. Características das gestações, partos e recém-nascidos da região metropolitana de
Aracaju, Sergipe, Brasil. Rev Bras Saude Mater Infant . 2009;9(2):167-77.
DOI:10.1590/S1519-38292009000200006 https://doi.org/10.1590/S1519-3829200900...
2005,
Aracaju, SE |
Study of all births in all maternity hospitals in the city in
four consecutive months |
4,746 |
LMP, Capurro |
7.7 |
7.2 |
Silva et al, 2424 . Silva AAM, Silva LM, Barbieri MA, Bettiol H, Carvalho LM, Ribeiro VS, et
al. The epidemiologic paradox of low birth weight in Brazil. Rev Saude
Publica . 2010;44(5):767-75.
DOI:10.1590/S0034-89102010005000033 https://doi.org/10.1590/S0034-8910201000...
2010, Sao
Luís, MA |
Study of a systematic sample of hospital births throughout the
year |
5,149 |
LMP, regression model used to impute GA for unknown values |
12.9 |
8.6 |
Bettiol et al, 77 . Bettiol H, Rona RJ, Chinn S, Goldani M, Barbieri MA. Factors associated
with preterm births in southeast Brazil: a comparison of two birth cohorts born 15 years
apart. Paediatr Perinat Epidemiol . 2000;14(1):30-8.
DOI:10.1046/j.1365-3016.2000.00222.x https://doi.org/10.1046/j.1365-3016.2000...
2010,
Ribeirao Preto, SP |
Study of all births in all maternity hospitals in the city
throughout the year |
7,716 |
LMP regression model used to impute GA for unknown values |
14.0 |
9.5 |
Ledo et al,b2010, Rio de Janeiro, RJ |
Study of births in maternity school for a year |
2,716 |
LMP |
11.3 |
10.0 |
Intergrowth, 2525 . Silveira MF, Barros FC, Sclowitz IK, Domingues MR, Mota DM, Fonseca SS, et
al. Implementation of the INTERGROWTH-21st Project in Brazil. BJOG : an international
journal of obstetrics and gynaecology. 2013;120 Suppl 2:81-6. 2011-2012,
Pelotas, RS |
Study of all births in all maternity hospitals in the city over
15 months |
6,109 |
LMP, US, physical examination |
14.8 |
12.4 |
Leal et al, 1414 . Leal MC, Silva AAN, Dias MAB, Gama SGN, Rattner D, Moreira ME, Theme Filha
MM, et al. Birth in Brazil: national survey into labour and birth. Reprod
Health . 2012;9:15. DOI:10.1186/1742-4755-9-15 https://doi.org/10.1186/1742-4755-9-15...
2011-2012,
Nascer no Brasil, Brazil |
National study in 191 cities over 18 months |
23,940 |
LMP |
12.5 |
8.5 |