Adolescent pregnancy trends in the last decade

Monteiro, Denise Leite Maia; Martins, José Augusto Ferraz dos Santos; Rodrigues, Nádia Cristina Pinheiro; Miranda, Fátima Regina Dias de; Lacerda, Isabel Maria Santos; Souza, Flávio Monteiro de; Wong, Ana Clara Tavares; Raupp, Roberta Monteiro; Trajano, Alexandre José Baptista

doi:10.1590/1806-9282.65.9.1209

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ORIGINAL ARTICLE • Rev. Assoc. Med. Bras. 65 (9) • Sept 2019 • https://doi.org/10.1590/1806-9282.65.9.1209 copy

Adolescent pregnancy trends in the last decade

Authorship SCIMAGO INSTITUTIONS RANKINGS

SUMMARY

INTRODUCTION

Teenage pregnancy is a universal phenomenon, with higher prevalence in developing countries. Although there has been a reduction in Brasil since the year 2000, the age-specific fertility rate for this age group remains high.

OBJECTIVE

To evaluate the frequency of adolescence pregnancy in in Brasil from 2006 to 2015 and its association with the Human Development Index (HDI).

METHODS

A descriptive epidemiological study, conducted by searching the database of the Department of Informatics of the Unified Health System (DATASUS), using information from the Information System on Live Births (SINASC) for the five Brazilian regions.

RESULTS

There was a reduction in the percentage of live births (LB) from adolescent mothers (10 to 19 years old) in Brasil by 13.0% over the last ten years. This decline was observed in all Brazilian regions among mothers aged 15 to 19 years. The number of LB increased by 5.0% among mothers aged 10 to 14 years in the North and decreased in the other regions, with higher rates in the South (18.0%). The specific fertility rate for the 15-19-year-old group decreased from 70.9/1,000 to 61.8/1,000 in the period. The proportion of LB is inversely associated with the HDI, except in the Northeast (the lowest HDI in the country), where there was a significant reduction (18.0%) among mothers aged 15-19 and 2% among those aged 10-14 years.

CONCLUSION

Teenage pregnancy in Brasil is in slow decline, especially among mothers aged 10-14 years and is inversely associated with the HDI, except in the Northeast.

Pregnancy in Adolescence; Prevalence; Epidemiology; Adolescent

Year	10 to 14 years	15 to 19 years	Total of LB from adolescents	Total of LB	Freq % AP
2006	27,610	605,270	632,880	2,944,928	21.5
2007	27,963	582,409	610,372	2,891,328	21.1
2008	28,678	570,560	599,238	2,934,828	20.4
2009	27,807	546,959	574,766	2,881,581	19.9
2010	27,049	525,581	552,630	2,861,868	19.3
2011	27,785	533,103	560,888	2,913,160	19.3
2012	28,236	531,909	560,145	2,905,789	19.3
2013	27,989	532,002	559,991	2,904,027	19.3
2014	28,244	534,364	562,608	2,979,259	18.9
2015	26,700	520,864	547,564	3,017,668	18.1
Total	278,061	5,483,021	5,761,082	29,234,436

Year	10 to 14 years	Adolescent population	ASFR/1,000 adol	15 to 19 years	Adolescent population	ASFR/1,000 adol
2006	27,610	8,462,615	3.26	605,270	8,537,516	70.90
2007	27,963	8,455,516	3.31	582,409	8,501,358	68.51
2008	28,678	8,451,680	3.39	570,560	8,482,441	67.26
2009	27,807	8,449,676	3.29	546,959	8,469,621	64.58
2010	27,049	8,444,955	3.20	525,581	8,456,048	62.15
2011	27,785	8,453,733	3.29	533,103	8,445,364	63.12
2012	28,236	8,441,389	3.34	531,909	8,438,804	63.03
2013	27,989	8,407,297	3.33	532,002	8,435,542	63.07
2014	28,244	8,351,178	3.38	534,364	8,434,160	63.36
2015	26,700	8,276,054	3.23	520,864	8,430,077	61.79
Total	278,061	84,194,093	3.30	5,483,021	84,630,931	64.79

Age of mother	Region	2006	2010	2014	2015	Variation 2006-2010	Variation 2010-2014	Variation 2014-2015	10 years
10 to 14 years	Southeast	7,288	7,028	7,700	7,081	-4%	10%	-8%	-3%
	Central-West	2,232	2,100	2,311	2,050	-6%	10%	-11%	-8%
	Northeast	10,287	10,292	10,176	10,064	0	-1%	-1%	-2%
	Norte	4,773	4,864	5,190	5,014	2%	7%	-3%	5%
	South	3,030	2,765	2,867	2,491	-9%	4%	-13%	-18%
	Brasil	27,610	27049	28244	26,700	-2%	4%	-5%	-3%
15 to 19 years	Southeast	196,111	172,266	177,945	172,251	-12%	3%	-3%	-12%
	Central-West	46,284	40,525	43,185	41,319	-12%	7%	-4%	-11%
	Northeast	208,291	174,929	171,784	170,122	-16%	-2%	-1%	-18%
	Norte	84,474	75,829	79,190	77,098	-10%	4%	-3%	-9%
	South	70,110	62,032	62,260	60,074	-12%	0	-4%	-14%
	Brasil	605,270	525,581	534,364	520,864	-13.2%	1.7%	-2.5%	-14%
Total Brasil(10-19 years)		632,880	552,630	562,608	547,564	-12.7%	1.8%	-2.7%	-13.5%

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[1] CORRESPONDING AUTHOR: Denise Leite Maria Monteiro Avenida Professor Manoel de Abreu, 500 – Rio de Janeiro, RJ, Brasil – 20550-170 – Tel: 21 28688451 E-mail: denimonteiro2@yahoo.com.br