Pregnancy tests, which detect hormones generated by the newly formed placenta. These tests can detect pregnancy after implantation, which is 6-12 days after fertilization.

Blood tests are more sensitive than urine tests. Home tests are urine tests, normally detecting a pregnancy 12-15 days after fertilization. Blood tests can determine the approximate date of conception.

• hCG (see page)
• EPF (early pregnancy factor), which gives the quickest result after fertilization, which can be detected within 48 hours of fertilization. However, it is expensive and time consuming

• Pregnancy
• Tumor marker (category)
• hCG