What should I do if I’ve had more than ten 4D ultrasounds without success?

Undergoing multiple 4D ultrasound examinations without obtaining satisfactory images may stem from various causes. If the issue is related to fetal structural abnormalities, further diagnostic testing is required. If it results from maternal obesity or suboptimal fetal positioning, repositioning the mother and undergoing a more detailed examination at a comprehensive hospital with a specialist obstetrician may resolve the issue. Specific scenarios are outlined below:

1. Fetal Structural Abnormalities

       If inadequate 4D ultrasound visualization is due to suspected fetal organ malformations, additional diagnostic evaluations should be performed at a hospital. Common follow-up tests include targeted (detailed) ultrasound, fetal brain MRI, or amniocentesis with cytogenetic/molecular analysis. These investigations help clarify whether structural anomalies are present. In cases of severe malformations, timely termination of pregnancy may be recommended; alternatively, surgical correction may be considered after birth.

2. Maternal Obesity and Suboptimal Fetal Positioning

       Maternal obesity or unfavorable fetal positioning can impede clear visualization of certain anatomical structures, thereby compromising 4D ultrasound image quality. In such cases, referral to a prenatal diagnosis center is advised. Repositioning the mother—such as changing from supine to lateral decubitus—and repeating the ultrasound may yield improved imaging, allowing for more accurate assessment of potential fetal structural abnormalities.