Understanding hCG Levels: How Much hCG is Needed to Detect Pregnancy?

Discover the hCG levels required for home pregnancy tests to show positive results and learn how hCG functions during early pregnancy.

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A pregnancy test detects hCG levels typically around 20-25 mIU/mL. This is the threshold for most home pregnancy tests to show a positive result. The hormone hCG (human chorionic gonadotropin) begins to be produced shortly after a fertilized egg attaches to the uterine lining.

FAQs & Answers

  1. What is the normal range of hCG levels in early pregnancy? In early pregnancy, hCG levels can range from 20 to 400 mIU/mL depending on how far along the pregnancy is.
  2. Can other factors affect hCG levels? Yes, conditions such as certain cancers or ectopic pregnancies can influence hCG levels, which is why it's important to consult a healthcare professional.
  3. Are home pregnancy tests accurate? Most home pregnancy tests are over 99% accurate when used correctly and at the right time after a missed period.