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Fetal abdominal protuberance ratio throughout pregnancy
J Morales-Roselló1, J Morales-Sanchez
1Servicio de Obstetricia y Ginecología, Hospital General Universitario de Valencia, Spain.
Archives of Gynecology and Obstetrics
|January 1, 1996
Summary
The fetal abdominal protuberance ratio, calculated using abdominal circumference and fetal aorta to skin distance, increases with gestational age. This ratio reflects changes in fetal abdominal development throughout pregnancy.
Area of Science:
- Maternal-Fetal Medicine
- Prenatal Imaging
- Fetal Development
Background:
- Assessing fetal growth and well-being is crucial in prenatal care.
- Standard biometric parameters are widely used, but novel metrics may offer additional insights.
Purpose of the Study:
- To define and evaluate the "fetal abdominal protuberance ratio" (FAPR).
- To investigate the relationship between FAPR and gestational age.
Main Methods:
- Defined FAPR as the ratio of abdominal circumference (AC) to the anterior aorta-to-skin distance (AO-P).
- Measured AC and AO-P in 358 fetuses from 13 to 40 weeks of gestation.
Main Results:
- Both AC and AO-P increased with gestational age.
- The abdominal circumference showed a steeper growth increment compared to AO-P.
- Consequently, the fetal abdominal protuberance ratio demonstrated a significant increase with advancing gestational age.
Conclusions:
- The fetal abdominal protuberance ratio is a novel metric that changes predictably with fetal development.
- This ratio may serve as a valuable indicator of abdominal contour changes during pregnancy.
- Further research could explore its clinical utility in monitoring fetal growth and detecting abnormalities.