Publications by authors named "Osmara Alves Dos Santos"

Stillbirth is a fundamental component of childhood mortality, but its causes are still insufficiently understood. This study aims to explore stillbirth risk factors by using a multidisciplinary approach to stimulate public policies and protocols to prevent stillbirth, improve maternal care and support bereaved families. METHODS AND ANALYSIS: In this case-control study with stillbirths and live births in 14 public hospitals in São Paulo, mothers are interviewed at hospitals after delivery, and hospital records and prenatal care registries are reviewed.

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Little is known regarding the use of emergency contraception among women from different regions of Brazil. The use of emergency contraception as well as contraceptive methods before and after coitus was analyzed. This cross-sectional study assessed the use of emergency contraception by interviewing 2,051 women aged between 18 and 49 attending 76 basic health units in three capitals: São Paulo-SP, Aracaju-SE and Cuiabá-MT.

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Objective: to analyze the level of knowledge about the intrauterine device, the interest in using it and the relationship between these events among women in reproductive age.

Method: cross-sectional study conducted with 1858 women between 18 and 49 years old, attending Primary Health Care Facilities. Data were obtained in face-to-face interviews.

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Background: In Brazil, high contraceptive prevalence rates coexist with high rates of unintended pregnancies. Contraceptive discontinuation may explain this context, but few studies have focused on highly educated young women in countries with low unmet need for modern contraception. This paper explores frequency and associated factors of contraceptive discontinuation among undergraduate students in Brazil within 12-months.

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Objective: This paper examines the factors related to emergency contraception (EC) use in the context of contraceptive discontinuation among undergraduate women in Brazil.

Study Design: This a retrospective cohort study conducted among a probability sample of 1679 undergraduate women in Sao Paulo, Brazil. Data were collected online using a contraceptive calendar.

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Objective: The aim of our study was to describe contraceptive patterns 30 days after use of emergency contraception (EC) among female undergraduate students in São Paulo, Brazil.

Methods: This study was part of a larger project conducted in 2015 among 1679 female students aged 18-24 enrolled at the University of São Paulo. Analysis was restricted to the 916 students who reported lifetime use of EC.

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Objectives: To assess knowledge, pregnancy attitudes and contraceptive practices in relation to the Zika virus outbreak in Brazil.

Methods: We interviewed 526 women 18 to 49 years old in primary health services in a Northeastern capital of Brazil, in 2016. They provided information about their knowledge of Zika transmission and health consequences, their receipt of counseling related to sexual and perinatal transmission of Zika, their pregnancy intentions and reassessment of contraceptive options in the context of the Zika virus outbreak.

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Objective: To identify organizational barriers to IUD availability in Primary Health Care services from the perspective of women's health coordinators.

Method: This is a quantitative study carried out with women's health officials from the municipalities of the southern macro region of Minas Gerais, Brazil, with an on-line completion of a structured instrument and a descriptive data analysis.

Results: 79 technicians participated in the study.

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Objective: to examine the effect of pregnancy planning status in the concordance between intention to use and current use of contraceptives among postpartum women.

Design And Setting: a prospective study was conducted in 12 primary health care facilities in São Paulo, Brazil, from November 2013 to September 2014.

Participants: A total of 264 woman aged 15-44 years old completed a face-to-face interview when they were pregnant (baseline), and were interviewed by phone at 6 months postpartum.

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Background: Estimates of unplanned pregnancy worldwide are of concern, especially in low and middle-income countries, including Brazil. Although the contraceptive prevalence rate is high in Brazil, almost half of all pregnancies are reported as unintended. The only source of nationally representative data about pregnancy intention is the Demographic and Health Survey, as with many other countries.

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Objective: The objective of this study is to assess preconception health behaviors among Brazilian women, and analyze the effect of pregnancy planning status in carrying out preconception measures.

Method: This is a cross-sectional quantitative study conducted with 807 women, of whom 649 had a planned or ambivalent pregnancy. Preconception health behaviors were assessed by the Brazilian version of the London Measure of Unplanned Pregnancy.

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This study aimed to test how knowledge on emergency contraception (according to age at sexual initiation, type of school, and knowing someone that has already used emergency contraception) influences the method's use. This was a cross-sectional study in a probabilistic sample of students 15-19 years of age enrolled in public and private middle schools in a medium-sized city in Southeast Brazil (n = 307). Data were collected in 2011 using a self-administered questionnaire.

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Objective To analyze the determinants of emergency contraception non-use among women in unplanned and ambivalent pregnancies. Method Cross-sectional study with a probabilistic sample of 366 pregnant women from 12 primary health care units in the city of São Paulo, Brazil. A multinomial logistic regression was performed, comparing three groups: women who used emergency contraception to prevent ongoing pregnancies (reference); women who made no use of emergency contraception, but used other contraceptive methods; and women who made no use of any contraceptive methods at all.

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Objective: to analyze assistance regarding contraception methods received by women during hospitalization due to abortion, and contraceptive practices the month after this episode.

Methods: a longitudinal study of women hospitalized due to abortion in a public hospital in the city of São Paulo. Face-to-face interviews (n=170) followed by telephone interviews in the subsequent month (n=147) were conducted between May and December of 2011.

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