Add Yahoo as a preferred source to see more of our stories on Google. Beta-hCG is a shorthand term for a blood test used to measure hCG levels in early pregnancy. Find out what these levels mean. Many ...

A single serum hCG measurement is used by some as a discriminatory level to help with the detection of ectopic pregnancy. The concept was initially developed with respect to transabdominal ultrasound ...

Drinking too much water before a urine pregnancy test can dilute the results and cause a false negative. Taking a pregnancy test first thing in the morning can provide a more accurate result. Blood ...