Reesha Ahmed was on cloud nine. It was January and Ahmed was at an OB-GYN’s office near her home in Venus, Texas, for her ...

Laboratory testing must be done before donated blood ever makes it to the hospital. Tests are conducted to make sure donated ...

Medically reviewed by Anju Goel, MD A calcium blood test measures the calcium level in your blood. This test is typically ...

Follow any fasting instructions, stay hydrated, avoid alcohol or strenuous exercise beforehand. Wear a short-sleeve shirt for ...