PapersFlow Research Brief
Pregnancy-related medical research
Research Guide
What is Pregnancy-related medical research?
Pregnancy-related medical research is a field examining the physiological roles, diagnosis, treatment, and impact of relaxin hormone and its receptors in pregnancy-related pelvic girdle and low back pain, alongside associations between pregnancy trauma, fetal outcomes, and musculoskeletal disorders.
This field covers relaxin's influence on cardiac and renal function during pregnancy and its therapeutic potential for heart failure and fibrotic conditions. The cluster includes 37,907 works with a focus on pelvic girdle pain, low back pain, LGR receptors, INSL3, trauma, and fetal outcomes. Growth rate over the past 5 years is not available.
Topic Hierarchy
Research Sub-Topics
Relaxin in Pelvic Girdle Pain
This sub-topic investigates relaxin's role in ligamentous laxity contributing to pregnancy-related pelvic girdle pain (PGP) through RXFP1 receptor signaling. Researchers study hormonal correlations, biomechanical assessments, and therapeutic antagonists in prospective cohorts.
Relaxin Hormone in Pregnancy
This sub-topic examines relaxin's physiological functions in cervical ripening, membrane remodeling, and vascular adaptation during human gestation. Researchers characterize temporal expression patterns and interactions with progesterone/estrogen in longitudinal studies.
LGR7 and LGR8 Receptor Signaling
This sub-topic explores RXFP1 (LGR7) and RXFP2 (LGR8) G-protein coupled receptor activation by relaxin/INSL3 in reproductive tissues. Researchers elucidate downstream cAMP/PKA pathways, ligand binding affinities, and knockout phenotypes.
Pregnancy-Associated Low Back Pain
This sub-topic analyzes biomechanical, neuromuscular, and inflammatory contributors to lumbar pain in pregnancy beyond pelvic girdle involvement. Researchers validate pain questionnaires, exercise interventions, and imaging modalities in RCTs.
Relaxin Therapeutic Applications
This sub-topic investigates recombinant relaxin (serelaxin) for acute heart failure, pulmonary hypertension, and fibrosis via antifibrotic and hemodynamic effects. Researchers conduct phase trials assessing safety, efficacy, and RXFP1-mediated cardioprotection.
Why It Matters
Research in this area addresses pregnancy complications like pelvic girdle pain and low back pain through relaxin pathways, informing treatments that reduce maternal discomfort and improve outcomes. Crowther et al. (2005) demonstrated that treating gestational diabetes mellitus reduced serious perinatal morbidity, with treated women showing lower rates of macrosomia and shoulder dystocia compared to untreated groups. Meis et al. (2003) found weekly 17 alpha-hydroxyprogesterone caproate injections reduced recurrent preterm delivery by 34% in high-risk women, lowering infant complications such as respiratory distress syndrome. Iams et al. (1996) established that a short cervix detected by vaginal ultrasonography increases spontaneous preterm delivery risk, enabling targeted interventions like cervical length monitoring in clinical practice.
Reading Guide
Where to Start
"The Oswestry Disability Index" by Fairbank and Pynsent (2000), as it provides a foundational, validated tool for measuring disability in low back and pelvic pain common in pregnancy research.
Key Papers Explained
Fairbank and Pynsent (2000) "The Oswestry Disability Index" establishes outcome measurement for back pain, which Ostelo et al. (2008) "Interpreting Change Scores for Pain and Functional Status in Low Back Pain" builds on by defining 30% change as clinically meaningful. Iams et al. (1996) "The Length of the Cervix and the Risk of Spontaneous Premature Delivery" links cervical assessment to preterm risk, extended by Meis et al. (2003) "Prevention of Recurrent Preterm Delivery by 17 Alpha-Hydroxyprogesterone Caproate" showing 34% risk reduction. Crowther et al. (2005) "Effect of Treatment of Gestational Diabetes Mellitus on Pregnancy Outcomes" complements these by addressing metabolic impacts on perinatal morbidity.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current work emphasizes relaxin hormone pathways in pelvic girdle pain and LGR receptors, with exploration of therapeutic applications for fibrotic conditions during pregnancy. No recent preprints or news coverage available.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | The Oswestry Disability Index | 2000 | Spine | 5.5K | ✕ |
| 2 | The standardization of terminology of female pelvic organ prol... | 1996 | American Journal of Ob... | 4.2K | ✕ |
| 3 | Effect of Treatment of Gestational Diabetes Mellitus on Pregna... | 2005 | New England Journal of... | 3.1K | ✓ |
| 4 | Interpreting Change Scores for Pain and Functional Status in L... | 2008 | Spine | 1.9K | ✓ |
| 5 | The Length of the Cervix and the Risk of Spontaneous Premature... | 1996 | New England Journal of... | 1.9K | ✓ |
| 6 | Lumbar Disc Disorders and Low-Back Pain: Socioeconomic Factors... | 2006 | Journal of Bone and Jo... | 1.6K | ✕ |
| 7 | Prevention of Recurrent Preterm Delivery by 17 Alpha-Hydroxypr... | 2003 | New England Journal of... | 1.6K | ✓ |
| 8 | Impact of endometriosis on quality of life and work productivi... | 2011 | Fertility and Sterility | 1.5K | ✓ |
| 9 | The preterm parturition syndrome | 2006 | BJOG An International ... | 1.4K | ✓ |
| 10 | [The length of the cervix and the risk of spontaneous prematur... | 1996 | PubMed | 1.4K | ✕ |
Frequently Asked Questions
What is the role of cervical length in preterm delivery risk?
Iams et al. (1996) showed that women with a short cervix by vaginal ultrasonography have an increased risk of spontaneous preterm delivery. This measurement identifies at-risk pregnancies for preventive measures. The New England Journal of Medicine study involved over 3,000 women and confirmed the association across gestational ages.
How does treatment of gestational diabetes affect outcomes?
Crowther et al. (2005) reported that treatment reduces serious perinatal morbidity, including macrosomia and cesarean deliveries. It also improves maternal health-related quality of life. The randomized trial in the New England Journal of Medicine included 1,000 women with gestational diabetes.
What is the effect of 17 alpha-hydroxyprogesterone caproate on preterm birth?
Meis et al. (2003) found weekly injections reduce recurrent preterm delivery rates in high-risk women. The treatment lowered infant complications like respiratory distress. The multicenter trial involved 463 women with prior preterm birth.
How is the Oswestry Disability Index used in pregnancy-related pain?
Fairbank and Pynsent (2000) validated the Oswestry Disability Index as a reliable measure for low back pain and disability. It assesses functional status in conditions like pelvic girdle pain during pregnancy. The Spine paper reviewed its application with over 5,000 citations confirming its utility.
What defines the preterm parturition syndrome?
Romero et al. (2006) described preterm parturition as involving uterine contractility, cervical dilatation, and membrane rupture, differing from term labor in underlying mechanisms. Multiple pathways contribute, including inflammation and vascular issues. The BJOG review synthesizes evidence from clinical and molecular studies.
What are standardized terms for pelvic floor dysfunction?
Bump et al. (1996) established terminology for female pelvic organ prolapse and pelvic floor dysfunction, aiding consistent diagnosis in pregnancy-related musculoskeletal issues. Definitions cover prolapse stages and dysfunction symptoms. The American Journal of Obstetrics and Gynecology consensus involved international experts.
Open Research Questions
- ? How does relaxin receptor activation precisely modulate pelvic girdle pain mechanisms during pregnancy?
- ? What are the long-term fetal outcomes following maternal trauma in pregnancy?
- ? Can relaxin-based therapies improve cardiac function in pregnant women with heart failure?
- ? Which LGR receptor subtypes most influence musculoskeletal changes in pregnancy?
- ? How do INSL3 levels correlate with low back pain severity in pregnant populations?
Recent Trends
The field maintains 37,907 works focused on relaxin, pelvic girdle pain, and pregnancy trauma, with no 5-year growth rate available and no recent preprints or news in the last 12 months indicating steady established research rather than rapid expansion.
Research Pregnancy-related medical research with AI
PapersFlow provides specialized AI tools for Medicine researchers. Here are the most relevant for this topic:
Systematic Review
AI-powered evidence synthesis with documented search strategies
AI Literature Review
Automate paper discovery and synthesis across 474M+ papers
Find Disagreement
Discover conflicting findings and counter-evidence
Paper Summarizer
Get structured summaries of any paper in seconds
See how researchers in Health & Medicine use PapersFlow
Field-specific workflows, example queries, and use cases.
Start Researching Pregnancy-related medical research with AI
Search 474M+ papers, run AI-powered literature reviews, and write with integrated citations — all in one workspace.
See how PapersFlow works for Medicine researchers