HCG levels from normal singleton pregnancies

Levels are listed for various days after the ovulatory HCG injection or LH surge

First (same as Third) International Reference Preparation was used
"High" is highest seen in this group of pregnancies
"Low" is lowest seen in this group of pregnancies
"#" is the number of tests done for that day in this group of pregnancies

The values below are from a group of 53 normal singleton pregnancies. Because this is a very small group of patients and because lab assays vary, it is important not to rely on these values to determine whether your pregnancy is viable, a single, a twin, etc.

• Check with your physician about your own levels