American Foundation for Maternal & Child Health show findings of adverse relationship between ultrasound and fetal health. ACOG does not recommend regular or routine use of Ultrasound.
Government officials recognize it may be harmful and should be used sparingly. Geneticists agree that it raises questions about it's potential of mutating genetic DNA and increasing the rate of cancer and congenital malformations.
Excessive use of ultrasound usually results in lower birth weight.
To date there is no medical evidence that any deformities are caused at birth as a result of the use of ultrasound. However, pregnant women should think twice before engaging in unnecessary, excessive, or recreational ultrasound. It is possible that cell mutation caused by ultrasound radiation may have long-term results that show up later in life.
It is wise to minimize ultrasound usage to doctor specifications and discard frivolous peeks at your baby.