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A low red blood cell count means cells in the body are not receiving enough oxygen. Anemia is the most common cause for an abnormally low amount of red blood cells, affecting 3.5 million Americans, as reported by WebMD. More »

www.reference.com Health Medical Ranges & Levels

One cause of low red blood cell count is pregnancy, but this is normal, according to Mayo Clinic. However, among the many other conditions and diseases that can cause a low red blood cell count are cancer, aplastic, vita... More »

www.reference.com Health Medical Ranges & Levels

A low red blood cell count, most often referred to as anemia, can cause weakness, fatigue, dizziness, fainting, lack of energy, pale skin, rapid heart rate or palpitations and shortness of breath. Chronic anemia in child... More »

www.reference.com Health Conditions & Diseases
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For a cancer patient, a high red blood cell count can mean that the cancer has spread to the kidneys, resulting in renal cell carcinoma, explains Healthline. However, it can also indicate that an individual is merely deh... More »

www.reference.com Health Medical Ranges & Levels

A normal red blood cell count for males is 4.7 to 6.1 million cells per microliter, and a normal count for females is 4.2 to 5.4 million cells per microliter, states MedlinePlus. Normal ranges may vary from lab to lab, a... More »

www.reference.com Health Medical Ranges & Levels

A normal result for a red blood cell count in urine is about four red blood cells or less per high power field when the doctor uses a microscope to examine the sample, according to MedlinePlus. Depending on the laborator... More »

www.reference.com Health Medical Ranges & Levels

Oxygen attaches to hemoglobin in the blood that carries it to other tissues, so when the red blood cell count is low, the blood oxygen levels also drop. When a person does not have enough healthy red blood cells, he is a... More »

www.reference.com Health Medical Ranges & Levels