Genetic Ultrasound

A genetic (or level III) ultrasound is a specialized evaluation of the baby performed by a Maternal-Fetal specialist. The baby is examined through the use of ultrasound as though he were a newborn baby.

A genetic ultrasound is recommended for women who have a family history of a genetic disorder, have a previous child with a genetic abnormality, will be over thirty-five at the time of delivery, have a chronic illness, have exposure to certain medications or chemicals, or have a abnormal clinical or laboratory finding.

Dr. Lescale has a great deal of experience providing genetic ultrasound. Genetic ultrasound requires detailed knowledge of fetal anatomy and development, experience with birth defects and genetic disorders, expertise in counseling and management of specific genetic disorders, and proficiency using color flow Doppler and 4D high resolution ultrasounds. According to Dr. Lescale genetic ultrasound is one of the most informative tools in high-risk pregnancy management.

High resolution ultrasound is used to provide a detailed examination of the fetus and uterine contents. The exam includes measurement of the fetal head, abdomen, extremities, and other structures. The doctor also examines and describes fetal organs including, the skull bones, cranial sutures, brain structures, face, eyes, upper and lower lips, ears, neck, chest, lungs, heart, diaphragm, stomach and intestines, liver and gallbladder, kidneys and urinary bladder, arms, hands and fingers, legs and feet, rib cage and collar bones, as well as the axial skeleton and the skin overlying the spine. Fetal activity is also assessed. The doctor records spontaneous movements of the trunk, arms, hands, fingers, legs, and feet, as well as observation of fetal swallowing and general muscle tone. Special attention is given to the appearance and movement of the heart valve, heart walls, and blood flow in the umbilical cord. Finally the placenta is measured with its size, appearance, and position described. The number of umbilical vessels is determined, and the volume of amniotic fluid is assessed.


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