What is the Normal Range for β-hCG Levels?

Update Date: 2024-05-18 Source: Network

The normal value of blood hCG is less than 10μg/L, and the normal value of β-hCG is less than 3.1μg/L. β-hCG is a part of hCG, and the radioimmunoassay value of β-hCG in normal women is generally less than 3.1. If it exceeds 5, pregnancy may be considered possible, and if it exceeds 10, pregnancy can be basically confirmed. The absolute value of serum hCG varies greatly among different stages of pregnancy and among different pregnant women, and there is no comparability between them, so only self-comparison can be made. In the first 3 months of pregnancy, the hCG level doubles approximately every 2.2±0.5 days.

Below, I will introduce the normal range reference values of HCG (IU/L) at different weeks of pregnancy: 0.2 weeks, 15-50; 1-2 weeks, 50-500; 2-3 weeks, 100-5000; 3-4 weeks, 500-10000; 4-5 weeks, 1000-50000; 5-6 weeks, 10000-100000; 6-8 weeks, 15000-200000; 2-3 months, 10000-100000. HCG is only an indicator for early monitoring of embryonic development, and its value generally reaches a peak around 10 weeks, followed by a gradual decline. Some pregnant women mistake it as a symptom of early pregnancy, but it is actually difficult to grasp.

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