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Reproductive tract infections research
Research Guide
What is Reproductive tract infections research?
Reproductive tract infections research is the scientific study of infections affecting the reproductive organs, focusing on microbial communities, diagnostic methods, treatment guidelines, and their impacts on reproductive health outcomes such as preterm delivery and infertility.
The field encompasses 102,015 works examining vaginal microbiomes, intrauterine infections, and sexually transmitted diseases in reproductive-age women. Studies like 'Vaginal microbiome of reproductive-age women' (Ravel et al., 2010) analyzed bacterial communities in 396 asymptomatic women across four ethnic groups. Research growth over the past five years is not specified in available data.
Research Sub-Topics
Bacterial Vaginosis Diagnosis
This sub-topic covers standardized methods for diagnosing bacterial vaginosis using Gram stain interpretation and molecular techniques. Researchers study diagnostic reliability, Nugent scoring improvements, and alternative biomarkers for accurate detection.
Vaginal Microbiome Composition
This sub-topic examines the bacterial communities in the vaginal tract of reproductive-age women using amplicon sequencing. Researchers investigate community state types, Lactobacillus dominance, and dysbiosis factors.
Intrauterine Infections Preterm Birth
This sub-topic explores ascending reproductive tract infections leading to intrauterine inflammation and preterm delivery. Researchers analyze microbial invasion mechanisms, chorioamnionitis pathology, and fetal outcomes.
HIV Microbicide Development
This sub-topic focuses on topical antiretroviral agents like tenofovir gel for preventing HIV transmission in women. Researchers evaluate efficacy, safety profiles, and adherence in clinical trials.
Sexually Transmitted Infections Guidelines
This sub-topic reviews evidence-based treatment protocols for STIs like chlamydia, gonorrhea, and HIV in reproductive contexts. Researchers update guidelines based on resistance patterns and emerging pathogens.
Why It Matters
Reproductive tract infections research informs clinical guidelines and prevention strategies that reduce preterm delivery risks and HIV transmission in women. For instance, 'Intrauterine Infection and Preterm Delivery' (Goldenberg et al., 2000) established that intrauterine infections contribute to preterm births, which account for 70 percent of perinatal mortality and nearly half of long-term neurologic morbidity, with 10 percent of births being preterm but severe cases in 1 to 2 percent of infants. The CAPRISA 004 trial in 'Effectiveness and Safety of Tenofovir Gel, an Antiretroviral Microbicide, for the Prevention of HIV Infection in Women' (Abdool Karim et al., 2010) demonstrated tenofovir gel's efficacy in preventing HIV acquisition in sub-Saharan African women. CDC guidelines such as 'Sexually Transmitted Diseases Treatment Guidelines, 2006' (Skolnik, 2007) and 'Sexually transmitted diseases treatment guidelines (2015)' (Workowski and Bolan, 2015) standardize STI treatments nationwide, addressing complications like pelvic inflammatory disease.
Reading Guide
Where to Start
'Vaginal microbiome of reproductive-age women' (Ravel et al., 2010) because it provides foundational characterization of healthy vaginal bacterial communities in 396 women across ethnic groups, essential for understanding infection baselines.
Key Papers Explained
'DADA2: High-resolution sample inference from Illumina amplicon data' (Callahan et al., 2016) establishes computational tools for microbiome analysis, enabling precise studies like 'Vaginal microbiome of reproductive-age women' (Ravel et al., 2010), which profiles communities in asymptomatic women. This builds to 'Delivery mode shapes the acquisition and structure of the initial microbiota across multiple body habitats in newborns' (Domínguez-Bello et al., 2010) linking maternal microbes to neonatal health, and 'The Placenta Harbors a Unique Microbiome' (Aagaard et al., 2014) extending to intrauterine contexts. 'Reliability of diagnosing bacterial vaginosis is improved by a standardized method of gram stain interpretation' (Nugent et al., 1991) complements with diagnostic standardization.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Recent preprints examine disrupted cervicovaginal microbiota in Chlamydia trachomatis infections and their reproductive outcomes, alongside cohort studies of vaginal microbiomes with STIs in 6217 Chinese women. News highlights Gates Foundation funding for randomized controlled trials on STI screening versus syndromic management in sub-Saharan Africa, targeting PID risks.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | DADA2: High-resolution sample inference from Illumina amplicon... | 2016 | Nature Methods | 33.0K | ✓ |
| 2 | Delivery mode shapes the acquisition and structure of the init... | 2010 | Proceedings of the Nat... | 4.6K | ✕ |
| 3 | 1993 Revised Classification System for HIV Infection and Expan... | 1993 | Clinical Infectious Di... | 4.4K | ✕ |
| 4 | Vaginal microbiome of reproductive-age women | 2010 | Proceedings of the Nat... | 4.0K | ✕ |
| 5 | Reliability of diagnosing bacterial vaginosis is improved by a... | 1991 | Journal of Clinical Mi... | 3.3K | ✓ |
| 6 | Sexually Transmitted Diseases Treatment Guidelines, 2006 | 2007 | Humana Press eBooks | 3.1K | ✕ |
| 7 | Sexually transmitted diseases treatment guidelines (2015) | 2015 | Reproductive Endocrino... | 2.7K | ✓ |
| 8 | Intrauterine Infection and Preterm Delivery | 2000 | New England Journal of... | 2.5K | ✕ |
| 9 | Effectiveness and Safety of Tenofovir Gel, an Antiretroviral M... | 2010 | Science | 2.4K | ✓ |
| 10 | The Placenta Harbors a Unique Microbiome | 2014 | Science Translational ... | 2.4K | ✓ |
In the News
Randomized Controlled Trial on STI Infections
This Grand Challenge on Randomized Controlled Trial on Sexually Transmitted Infections (STIs) and Reproductive Tract Sequelae in Non-Pregnant Women aims to fill critical gaps in understanding of th...
Gates Foundation issues Grand Challenge for randomized controlled trial on sexually transmitted infections
organizations to conduct a randomized controlled trial in sub-Saharan Africa comparing STI screening and standard of care syndromic management. The primary outcome of this study should be PID, with...
CFPs: Randomized Controlled Trial on STIs and Reproductive Tract Sequelae in Non-Pregnant Women Grand Challenge
This Grand Challenge on Randomized Controlled Trial on Sexually Transmitted Infections (STIs) and Reproductive Tract Sequelae in Non-Pregnant Women aims to fill critical gaps in understanding of th...
Vaginal microbiome and sexually-transmitted pathogens in Chinese reproductive-age women: a multicentre cross-sectional and longitudinal cohort study
Sexually transmitted infections (STIs) are associated with vaginal dysbiosis, and co-infections are common but understudied. In this study, 6217 reproductive-age women are recruited from 38 study c...
New Funding to Catalyze Women's Health Research, ...
Areas of breakthrough potential include research into the vaginal microbiome, first-in-class therapeutics for preeclampsia, and non-hormonal contraception. Included in the commitment are investment...
Code & Tools
## Repository files navigation # HRHRpal The goal of HRHRpal is to ... ## Installation You can install HRHRpal from the Folkehelseinstituttet r...
# Abstract **Background**
## About A classifier for lower respiratory tract infection (LRTI) in critically ill children using host and microbial features from metagenomic n...
This directory contains all the required data and scripts required to run the analysis outlined in the manuscript: _Integrating Host Response and U...
Starsim is an agent-based modeling framework designed for simulating the spread of diseases among agents via dynamic transmission networks. Starsim...
Recent Preprints
Disrupted Cervicovaginal Microbiota: Its Role in Chlamydia trachomatis Genital Infection and Associated Reproductive Outcomes
inconsistent across countries. CT infections are often asymptomatic, especially in women, yet can lead to serious CT-related reproductive complications if left untreated, including pelvic inflammat...
Bacterial Vaginosis - StatPearls - NCBI Bookshelf - NIH
Bacterial vaginosis is one of the most common vaginal infections affecting women worldwide, with significant implications for reproductive and overall health. The condition results from an imbalanc...
The Impact of Genital Infections on Women's Fertility
Sexually transmitted infections (STIs) are a significant global health concern, affecting millions of people worldwide, particularly sexually active adolescents and young adults. These infections, ...
Chlamydia - StatPearls - NCBI Bookshelf - NIH
Chlamydia trachomatis is responsible for the greatest number of sexually transmitted infections and the majority of infection-related of blindness worldwide. In the United States, it is the most co...
Women's Reproductive Health | Journal
infertility Assisted reproductive technologies Contraception and abortion Reproductive cancers Sexually transmitted infections Disorders related to reproductive events (e.g., osteoporosis, fistulas...
Latest Developments
Recent developments in reproductive tract infections research include advances in understanding the vaginal microbiome's role in health and disease, with studies highlighting how a balanced microbiome can prevent infections and improve pregnancy outcomes (BBC, 11/26/2025; Frontiers, 08/2022). Additionally, research emphasizes the significance of microbiome dysbiosis in gynecological diseases (Frontiers, 02/18/2025) and ongoing investigations into sexually transmitted infections and their impact on reproductive health (WHO), 09/2025; CDC, 09/17/2025).
Sources
Frequently Asked Questions
What role does the vaginal microbiome play in reproductive tract infections?
The vaginal microbiome in reproductive-age women consists of bacterial communities that vary by ethnicity, with Lactobacillus dominance helping prevent urogenital diseases. 'Vaginal microbiome of reproductive-age women' (Ravel et al., 2010) characterized communities in 396 asymptomatic North American women across white, black, Hispanic, and Asian groups. Dysbiosis contributes to infections like bacterial vaginosis and increased STI susceptibility.
How does delivery mode affect the newborn microbiota?
Delivery mode shapes the initial microbiota acquisition across multiple newborn body habitats from maternal sources. 'Delivery mode shapes the acquisition and structure of the initial microbiota across multiple body habitats in newborns' (Domínguez-Bello et al., 2010) showed distinct microbial profiles in vaginally delivered versus cesarian-section newborns. This influences early child health outcomes related to maternal reproductive tract microbes.
What is the standard method for diagnosing bacterial vaginosis?
A standardized Gram stain interpretation improves reliability in diagnosing bacterial vaginosis from vaginal smears. 'Reliability of diagnosing bacterial vaginosis is improved by a standardized method of gram stain interpretation' (Nugent et al., 1991) evaluated intercenter variability and established morphotype scoring. This method enhances consistency in pregnant women assessments.
How do intrauterine infections link to preterm delivery?
Intrauterine infections are a major cause of preterm delivery, accounting for significant perinatal mortality. 'Intrauterine Infection and Preterm Delivery' (Goldenberg et al., 2000) reported preterm births represent 10 percent of all births but concentrate severe illness in 1 to 2 percent of infants. Infections drive 70 percent of perinatal mortality and half of neurologic morbidity.
What are key CDC guidelines for STI treatment?
CDC guidelines provide standardized treatments for sexually transmitted diseases. 'Sexually Transmitted Diseases Treatment Guidelines, 2006' (Skolnik, 2007) summarizes care standards issued in August 2006. The 2015 update in 'Sexually transmitted diseases treatment guidelines (2015)' (Workowski and Bolan, 2015) refines recommendations post-expert consultation.
What diagnostic tools are used in reproductive tract infection research?
DADA2 enables high-resolution inference of microbial samples from Illumina amplicon data. 'DADA2: High-resolution sample inference from Illumina amplicon data' (Callahan et al., 2016) provides a method for accurate microbiome analysis with 33,035 citations. It supports studies of vaginal and placental microbiomes in reproductive health.
Open Research Questions
- ? How does cervicovaginal microbiota disruption influence Chlamydia trachomatis infection outcomes like pelvic inflammatory disease and infertility across countries?
- ? What are the long-term reproductive sequelae of untreated STIs in non-pregnant women, including risks of PID?
- ? How do co-infections of STIs and vaginal dysbiosis vary in large cohorts of reproductive-age women?
- ? What host and microbial factors from metagenomic sequencing best diagnose lower respiratory tract infections in contexts overlapping reproductive health research?
- ? How does the placental microbiome interact with intrauterine infections to affect preterm delivery mechanisms?
Recent Trends
Preprints from the last six months focus on cervicovaginal microbiota's role in Chlamydia trachomatis genital infections and reproductive complications like PID and infertility.
Cohort studies such as 'Vaginal microbiome and sexually-transmitted pathogens in Chinese reproductive-age women' recruit 6217 women from 38 centers.
News reports Gates Foundation Grand Challenges for randomized STI trials in sub-Saharan Africa comparing screening to syndromic management, with primary outcomes of PID.
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