Related Experiment Video
Updated: Jun 30, 2026

Modeling Ascending Vaginal Infection, Preterm Birth, and Neonatal Morbidity in Mice
Published on: October 10, 2025
[Epidemiological profile of premature labor]
Luis Alberto Villanueva Egan1, Ada Karina Contreras Gutiérrez, Mauricio Pichardo Cuevas
1Hospital de la Mujer, Secretaría de Salud, Mexico, DF. laave@servidor.unam.mx
Insights
Preterm birth, a leading cause of infant mortality and neurological issues, affects 5-40% globally. Previous preterm birth and intrauterine infection are key risk factors, highlighting the need for prenatal care access.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Health
- Infectious Diseases
Context:
- Preterm birth is a major global health concern, causing significant neonatal mortality and long-term neurological morbidity.
- The incidence of preterm birth ranges from 5% in developed regions to 40% in impoverished areas, incurring substantial social and economic costs.
- While multiple factors contribute, previous preterm birth and intrauterine infections like bacterial vaginosis are significant risk factors.
Purpose:
- To summarize the multifaceted causes and significant impact of preterm birth.
- To emphasize the critical role of intrauterine infections and previous preterm birth as risk factors.
- To highlight the importance of accessible prenatal care, especially for high-risk populations.
Summary:
- Preterm birth is the primary cause of neonatal mortality and neurological morbidity, with a global incidence varying widely.
- Key risk factors include a history of preterm birth and intrauterine infections, such as bacterial vaginosis linked to chorioamnionitis.
- Etiology often remains unclear, but intrauterine infection plays a crucial role; timely prenatal care is vital for at-risk mothers.
Impact:
- Addresses the critical issue of preterm birth, a leading cause of infant mortality and disability.
- Underscores the socioeconomic burden of preterm birth and the disparities in its occurrence.
- Emphasizes the need for improved prenatal care access and further research into the infection-related etiology of preterm birth.
Abstract:
Preterm birth is the most important cause of neonatal mortality and birth-related short- and long-term neurological morbidity. This health problem has a meaningful social and economic cost for families and governments. Its frequency varies from 5 to 12% in world-developed regions and can be as high as 40% in poorest regions. Preterm birth is associated with many causes, and previous preterm birth is the most significant risk factor, with bacterial vaginosis, which is associated with chorioamnionitis. Although there are many maternal characteristics associated with this suffering, its etiology in most cases is not clear, and the role of infection, usually intrauterine infection, is important. Access to early and suitable prenatal care is a relevant issue for many women who have the highest risks of preterm birth: young, poor and unsupported mothers.
Related Concept Videos
Prevalence and Incidence
Prevalence indicates the proportion of individuals in a population who have a specific disease or health condition at a...
Development of the Oral Microbiota
Local Anesthetics: Clinical Application as Epidural Anesthesia
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
Introduction to Epidemiology
Pathophysiology of Diabetes
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...
Pulmonary Embolism I: Introduction
