What are some of the symptoms of coarctation of the aorta?

Many. Coarctation symptoms depend on the severity. Many people have no symptoms. But symptoms may include leg/abdominal pain, abdominal cramps, headache (from hypertension), and possibly chest pain if severe. If concerned, please discuss this with your cardiologist.
Unequal BP. With a coarct or "pinching" of the aorta, you might have high blood pressure in the top of your body and low pressure in the lower part of your body. In most cases it is mild and incidentally found. Coarct is also associated with other congenital abnormalities and a cardiologist should be consulted.