Lifestyle and Risk Factors

• What is the role of monoclonal antibodies in pregnancy tests?

  They detect the hormone hCG in urine
• What hormone do pregnancy tests detect?

  Human chorionic gonadotropin (hCG)
• How do pregnancy tests generally look?

  They are small test kits
• What is the significance of hCG in pregnancy tests?

  It indicates whether a woman is pregnant
• How does the test strip indicate a positive result?

  It turns blue when hCG binds
• What are the two main parts of a pregnancy test strip?

  • Fixed monoclonal antibodies for hCG
  • Free-moving blue beads with hCG antibodies
• What happens if a woman is not pregnant when using the test?

  The test strip remains unchanged, no blue
• What occurs when hCG is present in the urine?

  hCG binds to blue beads, turning the strip blue
• What does a positive pregnancy test typically show?

  Two lines on the test strip
• Why is there a second line on most pregnancy tests?

  It acts as a control for accuracy
• What should users do before using a pregnancy test?

  Read the instructions carefully
• What are the steps involved in how a pregnancy test works?

  1. Urine is applied to the test strip.
  2. If hCG is present, it binds to blue beads.
  3. Beads flow to fixed antibodies on the strip.
  4. Beads get stuck, turning the strip blue.
  5. Two lines indicate a positive result.