1 Placental cord insertion visualization with prenatal ultrasonography. 2  J Ultrasound Med 1996;15:585-593. 3  Bjoro K Jr. 4  Vascular anomalies of the umbilical cord. 5  I. Obstetric implications.
Optimal levels for HDL (good) cholesterol are considered 60 mg/dL and higher. Slightly less great but still good levels are between 50 and 59 mg/dL. Levels that cause concern are considered 39 mg/dL or lower for men, and 49 mg/dL or lower for women.
A high level of HDL seems to protect against cardiovascular disease, and a low level indicates a greater risk. HDL-cholesterol levels range from 40 to 50 mg/dl in the average man; from 50 to 60 mg/dl in the average woman.HDL-cholesterol less than 40 mg/dl is considered low and HDL-cholesterol greater than 60 mg/dl is desirable.DL-cholesterol less than 40 mg/dl is considered low and HDL-cholesterol greater than 60 mg/dl is desirable.