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Related Concept Videos

Longitudinal Studies01:26

Longitudinal Studies

Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
Longitudinal Research02:20

Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...

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Related Experiment Video

Updated: Jun 7, 2026

Treating Low Back Pain in Failed Back Surgery Patients with Multicolumn-lead Spinal Cord Stimulation
04:42

Treating Low Back Pain in Failed Back Surgery Patients with Multicolumn-lead Spinal Cord Stimulation

Published on: June 26, 2018

Back pain during pregnancy: a longitudinal study.

Claudia Quaresma1, C Silva, M Forjaz Secca

  • 1Cefitec, Departamento de Física, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Monte de Caparica, Portugal. q.claudia@fct.unl.pt

Acta Reumatologica Portuguesa
|October 27, 2010
PubMed
Summary
This summary is machine-generated.

Back pain is common during pregnancy, with its intensity fluctuating significantly across different trimesters. This study tracked pregnant women to understand pain prevalence and severity throughout gestation.

Related Experiment Videos

Last Updated: Jun 7, 2026

Treating Low Back Pain in Failed Back Surgery Patients with Multicolumn-lead Spinal Cord Stimulation
04:42

Treating Low Back Pain in Failed Back Surgery Patients with Multicolumn-lead Spinal Cord Stimulation

Published on: June 26, 2018

Area of Science:

  • Obstetrics and Gynecology
  • Pain Management
  • Public Health

Background:

  • Back pain is a frequent complaint among pregnant individuals.
  • Understanding the temporal patterns of back pain during pregnancy is crucial for effective management.

Purpose of the Study:

  • To determine the prevalence and severity of back pain at four distinct gestational periods.
  • To analyze the impact of back pain on women throughout pregnancy.

Main Methods:

  • A cohort of 49 pregnant women (aged 20-39) was assessed.
  • Back pain symptoms and severity were evaluated at 12, 20, 32, and 37 weeks of gestation using the NIH Record Activity (ACTRE) question.
  • ANOVA for repeated measures was employed for statistical analysis.

Main Results:

  • Significant differences in back pain scores were observed across the four evaluation points.
  • Higher pain scores were reported at 12, 32, and 37 weeks of gestation.
  • Pain prevalence was 71.4% at 12 weeks, decreasing to 16.3% at 20 weeks, then rising to 91.7% at 32 weeks and 98% at 37 weeks.

Conclusions:

  • Back pain is highly prevalent during pregnancy.
  • The intensity of back pain varies considerably throughout the gestational period.