To analyze the prevalence and interrelationship of symptoms of depression, anxiety, and birth-related post-traumatic stress disorder.

To analyze the association between age extremes and maternal and perinatal outcomes in births in the state of Rio de Janeiro, Brazil.

To evaluate the efficacy of auricular acupuncture in reducing insomnia symptoms among individuals with depression compared with non-specific auricular acupuncture, at four weeks, six weeks, and three months after the intervention began.

To investigate the impact of prenatal care on the reduction of maternal-child mortality in Brazilian municipalities following the new primary health care financing model, the Previne Brasil program.

To analyze the association between user dissatisfaction with the pharmaceutical services provided by the Brazilian Unified Health System (SUS) and nonadherence to medication use by patients with chronic non-communicable diseases.

To estimate the use and adequacy of prenatal care services and to verify the structure of the maternity hospital to meet the needs of health care during childbirth in the Brazilian Unified Health System.

To evaluate the adequacy of prenatal care (PNC) in the state of Rio de Janeiro (SRJ) according to the type of childbirth funding.

To investigate the effect of Zika virus on the locomotor activity of a Brazilian population of Aedes albopictus under laboratory conditions.

To present the profile of graduates from a blended learning course in auriculotherapy and their perception of user acceptance and clinical outcomes of this integrative and complementary health practice, currently the most widely implemented in the Brazilian Unified Health System. The course is offered free of charge to primary health care professionals.

To investigate the temporal trends and regional clusters of tuberculosis treatment outcomes among people with HIV in Brazil, as well as their relationship with socioeconomic and programmatic indicators.

To analyze yellow fever mortality trends in Brazil, focusing on sexes differences and using an age-period-cohort model.

To analyze the association between the presence of post-COVID-19 syndrome after six months and health-related quality of life 6 and 12 months after hospital discharge.

To investigate home visits by physicians or nurses for consultations and procedures and associated factors in families with people with mobility difficulties and need for home care.

To investigate the association between hospital practices and breastfeeding and exclusive breastfeeding at two months of age, and the main reasons for pre-lacteal feeding.

To estimate the prevalence and co-occurrence profile of obstetric violence among women hospitalized for childbirth in the state of Rio de Janeiro, as well as its distribution according to demographic, socioeconomic, and current pregnancy-related characteristics.

To evaluate the intra- and between-group (control and intervention) effect of counseling during pregnancy on pregnant women's food consumption and physical activity.

To describe the care for labor and delivery in the state of Rio de Janeiro, Brazil, according to hospital location and type of funding for delivery, and to verify the social, geographic, and care factors associated with going into labor and having a vaginal delivery.

To describe the health profile and patterns of exposure to mining waste over the period of three years in a cohort of children living in areas affected by the collapse of a mining tailings dam in Brumadinho, Minas Gerais State, Brazil, in 2019.

To analyze the time elapsed in the post-incorporation process of procedures, orthoses, prostheses, and special materials, with a focus on compliance with the legal deadline of 180 days established for the provision of the technology.

Compare the overall survival of women with non-metastatic breast cancer who received neoadjuvant systemic therapy followed by surgery versus those who underwent surgery followed by adjuvant systemic therapy.