hCG levels usually double every two to three days in early pregnancy, showing that things are progressing normally. Testing hCG can help doctors check the pregnancy's health, especially if there are ...

In the initial stages of conceiving, blood tests provide crucial information about whether the pregnancy has started and how ...

The developing placenta secretes the glycoprotein hormone hCG, human chorionic gonadotropin, soon after fertilization. In normal pregnancy, this hormone can be detected in serum in just seven days ...

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 ...