Timely initiation of antenatal care in adolescent victims of sexual violence: implications for legal abortion in Brazil

Silva, Luiza Eunice Sá da; Costa, Janaína Calu; Blumenberg, Cauane; Lima, Natália Peixoto; Ruas, Luis Paulo Vidaletti; Costa, Francine dos Santos; Barros, Aluísio Jardim Dornellas de; Wehrmeister, Fernando César; Victora, César Gomes

doi:10.1590/1413-81232025301.18682024

person Luiza Eunice Sá da Silva

design · statistical analysis · writing of the results · interpretation of the statistical analysis and results · writing of the first version of the article · critical review · approved the final version of the article

schoolCentro Internacional de Equidade em Saúde, Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, Centro. 96020-220 Pelotas RS Brasil. leunice@equidade.org

0000-0003-1320-4937

person Janaína Calu Costa

analysis and interpretation of the results · critical review of the article · approved the final version of the article

schoolCentro Internacional de Equidade em Saúde, Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, Centro. 96020-220 Pelotas RS Brasil. leunice@equidade.orgschoolDepartamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo. São Paulo SP Brasil.

0000-0002-7912-8685

person Cauane Blumenberg

analysis and interpretation of the results · critical review of the article · approved the final version of the article

schoolCentro Internacional de Equidade em Saúde, Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, Centro. 96020-220 Pelotas RS Brasil. leunice@equidade.org

0000-0002-4580-3849

person Natália Peixoto Lima

analysis and interpretation of the results · critical review of the article · approved the final version of the article

schoolCentro Internacional de Equidade em Saúde, Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, Centro. 96020-220 Pelotas RS Brasil. leunice@equidade.org

0000-0002-7181-3717

person Luis Paulo Vidaletti Ruas

analysis and interpretation of the results · critical review of the article · approved the final version of the article

schoolCentro Internacional de Equidade em Saúde, Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, Centro. 96020-220 Pelotas RS Brasil. leunice@equidade.org

0000-0002-2840-6841

person Francine dos Santos Costa

analysis and interpretation of the results · critical review of the article · approved the final version of the article

schoolCentro Internacional de Equidade em Saúde, Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, Centro. 96020-220 Pelotas RS Brasil. leunice@equidade.org

0000-0001-9558-937X

person Aluísio Jardim Dornellas de Barros

analysis and interpretation of the results · critical review of the article · approved the final version of the article

schoolCentro Internacional de Equidade em Saúde, Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, Centro. 96020-220 Pelotas RS Brasil. leunice@equidade.org

0000-0002-2022-8729

person Fernando César Wehrmeister

analysis and interpretation of the results · critical review of the article · approved the final version of the article

schoolCentro Internacional de Equidade em Saúde, Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, Centro. 96020-220 Pelotas RS Brasil. leunice@equidade.org

0000-0001-7137-1747

person César Gomes Victora

conceived the article · participated in the study design · planning · interpretation of the statistical analysis and results · supervised the work · critically reviewed the article · approved the final version of the article

schoolCentro Internacional de Equidade em Saúde, Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, Centro. 96020-220 Pelotas RS Brasil. leunice@equidade.org

0000-0002-2465-2180

Chief editors:

Maria Cecília de Souza Minayo, Romeu Gomes, Antônio Augusto Moura da Silva

Characteristic		≤12 years	13 years	14 years	15 years	16 years	17 years	18 years	19 years	Total (<20 years)	≥20 years
Region of residence
	North	28.1%	25.1%	21.8%	20.2%	19.1%	18.1%	17.0%	15.7%	17.6%	10.3%
	Northeast	38.9%	39.6%	38.8%	37.5%	36.0%	34.7%	33.6%	31.7%	34.2%	27.3%
	Southeast	17.6%	20.4%	23.7%	25.8%	27.3%	29.0%	30.4%	32.4%	30.0%	39.5%
	South	5.9%	6.4%	7.9%	8.5%	9.4%	9.9%	10.6%	11.6%	10.3%	14.3%
	Midwest	9.5%	8.5%	7.8%	8.0%	8.2%	8.3%	8.5%	8.6%	8.4%	8.6%
Ethnicity/Skin color
	White	14.8%	14.8%	17.3%	18.7%	20.4%	21.5%	22.8%	24.8%	22.2%	35.7%
	Black	4.9%	5.0%	5.4%	5.8%	5.9%	6.4%	6.7%	6.9%	6.5%	7.1%
	Brown	66.8%	72.6%	72.4%	72.0%	70.7%	69.5%	68.2%	66.3%	68.8%	55.8%
	Indigenous	13.5%	7.2%	4.6%	3.2%	2.6%	2.2%	1.8%	1.6%	2.2%	0.9%
Schooling
	Less than 4 years	6.7%	4.7%	2.8%	2.0%	1.7%	1.4%	1.3%	1.2%	1.5%	1.7%
	4-7 years	70.7%*	63.5%*	48.0%	35.1%	25.8%	20.2%	16.5%	14.3%	21.1%	11.0%
	8 years or more	22.6%*	31.8%*	49.2%*	62.9%	72.5%	78.4%	82.2%	84.5%	77.4%	87.3%
Absolute Number		1,958	9,793	37,576	89,513	148,702	203,625	256,458	314,342	1,061,967	6,596,529

Characteristic (%)		≤12 years	13 years	14 years	15 years	16 years	17 years	18 years	19 years
Region
	North	46.4	51.2	56.4	59.5	61.6	63.9	65.3	67.1
	Northeast	61.0	64.3	68.2	70.5	72.4	73.6	75.2	76.5
	Southeast	65.4	66.9	69.7	73.4	76.3	78.7	80.1	81.7
	South	51.9	61.4	70.9	73.2	77.1	79.3	81.3	82.5
	Midwest	44.4	61.4	69.3	72.9	75.7	77.5	79.0	80.3
Ethnicity/Skin color
	White	63.6	66.0	70.6	74.5	77.5	79.9	81.5	83.1
	Black	53.8	56.1	61.4	65.6	67.9	71.5	73.2	75.7
	Brown	55.4	61.1	66.3	68.9	71.5	73.2	74.9	76.4
	Indigenous	46.3	52.5	54.5	58.5	58.2	60.2	61.6	61.7
Schooling
	Less than 4 years	53.6	49.7	58.4	59.9	60.9	65.3	63.3	63.9
	4-7 years	-*	-*	64.2	66.7	67.9	68.3	68.7	69.5
	8 years or more	-*	-*	-*	71.3	73.9	76.0	77.7	79.4
Total		55.6	61.1	66.3	69.5	72.2	74.3	76.1	77.8

Characteristic		PR	95%CI	P-value
Age		1.030	1.029-1.032	<0.0001
Region
	North	1.018	1.016-1.020	<0.0001
	Northeast	1.027	1.025-1.028	<0.0001
	Southeast	1.030	1.029-1.032	<0.0001
	South	1.031	1.029-1.032	<0.0001
	Midwest	1.029	1.028-1.031	<0.0001
Ethnicity/skin color
	White	1.032	1.031-1.034	<0.0001
	Black	1.026	1.024-1.028	<0.0001
	Brown	1.028	1.026-1.029	0.0001
	Indigenous	1.016	1.014-1.018	<0.0001
Schooling
	Less than 4 years	1.014	1.012-1.016	<0.0001
	4-7 years	1.019	1.018-1.021	<0.0001
	8 years or more	1.026	1.024-1.027	<0.0001

Age in years	Number of adolescents	Timely prenatal care (%)	95%CI	Prenatal care started at 22 weeks or later (%)	95%CI
? 12	1,958	55.6	53.3-57.9	28.3	26.3-30.5
13	9,793	61.1	60.1-62.2	23.3	22.4-24.1
14	37,576	66.3	65.8-66.8	19.2	18.8-19.6
15	89,513	69.5	69.2-69.8	17.2	17.0-17.5
16	148,702	72.2	72.0-72.4	15.4	15.2-15.6
17	203,625	74.3	74.1-74.5	14.2	14.0-14.3
18	256,458	76.1	75.9-76.2	13.3	13.1-13.4
19	314,342	77.8	77.7-78.0	12.2	12.0-12.3
≥20	6,596,529	84.9	84.9-85.0	7.9	7.9-7.9

[TFN7n] *Possible inconsistencies in the classification of the variable “schooling”, as the number of schooling years is incompatible with age.

[TFN8n] Source: Authors.

Timely initiation of antenatal care in adolescent victims of sexual violence: implications for legal abortion in Brazil

Abstract