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Early pregnancy ultrasonography is crucial for detecting fetal growth retardation and malformations. This method accurately differentiates symmetrical and asymmetrical growth issues, improving prenatal care outcomes.
Area of Science:
- Obstetrics and Gynecology
- Fetal Medicine
- Diagnostic Imaging
Context:
- Fetal growth retardation and lethal malformations are significant obstetric challenges.
- Accurate dating of pregnancy is essential for managing fetal growth and predicting outcomes.
- Current methods for assessing gestational age and fetal growth have limitations.
Purpose:
- To evaluate the efficacy of different methods for determining gestational age and diagnosing fetal growth retardation.
- To recommend the most accurate and earliest diagnostic approach for fetal assessment.
Summary:
- Ultrasonic diagnosis in the first trimester is superior to later methods for assessing fetal development.
- The study recommends combining multiple ultrasonic measurements (head and abdominal) for accurate fetal growth assessment in the second and third trimesters.
- Placental measurements are deemed unreliable, while future advancements may allow subcutaneous tissue measurement.
Impact:
- Early and accurate diagnosis of fetal growth issues enables timely intervention and improved neonatal outcomes.
- Promoting first-trimester ultrasonography can enhance the detection rates of fetal abnormalities.
- Standardizing fetal measurement techniques will improve the reliability of growth assessments and clinical decision-making.
Abstract:
Cerebral malnutrition as well as a markedly increased rate of lethal malformations constitute the major problems of retardation. During the daily routine the question "retardation of growth or premature birth" poses itself time and again. Different methods of determining the period of gestation are being discussed: Two of the best methods used in combination during the last trimester of gestation are: 1. L/S-ratio-creatinine-ultrasonics, 2. creatinine-ultrasonics. But none of these methods is as efficient as the ultrasonic diagnosis in the first trimester of pregnancy (amniotic cavity, length of the foetus). The earliest possible examination of all pregnancies by ultrasonography is highly recommended. This method generally allows for a differentiation in symmetrical assymmetrical retardation of fetal growth. The author introduces different ultrasonic parameters and their limit of error for the middle and last trimester. The exclusive measurement of the biparietal diameter should belong to the past, one should strive to obtain the combination of two measurements. He recommends the combination of head and abdominal measurements as well as the combination index including the hight of the truncus; the determination of the measurements of the placenta is to be rejected. The author is hopeful that by improved technology the thickness of the subcutaneous fatty tissue can be measured in the future.