FMSZ 2026 Annual Congress Presentation by Dr Cladious Verenga

FMSZ 2026 Annual Congress Presentation by Dr Cladious Verenga

🎙 Dr Cladious Verenga 👥 2K 📅 September 28, 2026 ⏱ 11 min 👁 0 📄 original study 🧭 2026-09-28
Available in: English (current) Français

Keywords

fetal biometrycentilesZimbabwequantile regressioninternal validation

Summary

The presentation describes the development and internal validation of gestational-age-specific fetal biometric centiles for singleton pregnancies in Zimbabwe, based on retrospective data from a fetal medicine unit. The study included 5,915 singleton pregnancies between 26 and 40 weeks, of which 3,247 met low-risk criteria. Fetal measurements (BPD, head circumference, abdominal circumference, femur length, and estimated fetal weight) were analyzed. Quantile regression with cubic splines was used to model centiles (3rd, 10th, 50th, 90th, 97th) and internal validation was performed on a held-out sample. The resulting charts align reasonably with expected distributions, though some deviations are noted. The presenter emphasizes that this is a candidate chart and not yet a national standard; future plans include prospective validation with early trimester recruitment and outcome linkage.

123 words

Critical Evaluation

Value of the Information & Strength of the Argument

The value lies in providing locally derived reference charts, which is critical because existing charts come from different populations. The argumentation is solid: clear methodology, appropriate statistical techniques, transparent limitations. The internal validation shows acceptable performance, but external validity remains uncertain. The presenter acknowledges that the study is retrospective and not yet validated against pregnancy outcomes.

Scientific Rigor, Source Quality, Title Accuracy

The study uses a large dataset and rigorous statistical methods (quantile regression with splines, weighting to avoid overrepresentation). However, since it’s retrospective, there is potential for selection bias, and measurements were not reviewed for quality. The presenter does not cite specific sources in the video, but relies on established methodology. The title is generic (‘FMSZ 2026 Annual Congress Presentation’) but the description specifies the study; the content matches the description, so the title is adequate enough, though not descriptive. This minor mismatch is considered in the global score.

159 words

Title / Content Match

The title is generic (congress presentation) but the description specifies the study; the content matches the description. Slight mismatch because the title itself is not descriptive.

Quality & Reliability

7/10

Retrospective study with robust statistical methods (quantile regression, splines), internal validation, but lacks external validation and outcome linkage. Clear transparency about limitations.

Key Moments

Contribution & Novelties

The novel contribution is the creation of Zimbabwe-specific fetal biometric centiles using a large local dataset, addressing the lack of population-specific reference charts. This is a step towards improving prenatal care in Zimbabwe. The study is original but preliminary.

Pour aller plus loin :

  • Quantile regression — Explains the statistical method central to the study.
  • INTERGROWTH-21st — International effort to create fetal growth standards.
  • Fetal growth restriction — Clinical relevance of centile charts.

73 words

Radar Profile

The profile shows high scores in information quantity and technical level, but slightly lower in quality and reliability, reflecting the study's robust statistical methods but preliminary status.

Reliability 6/10