It can detect a pregnancy as early as 10 days after conception. A urine pregnancy test is reliable after you miss a period. Uterine changes take longer and depending on who is doing he exam may be felt at 10-12 weeks after conception. read more
Once a positive test result is received , a pelvic exam can confirm the pregnancy, notes Babies Online. Blood tests at the doctor's office can also be a fast method of detecting pregnancy, notes WebMD. A blood test can detect the pregnancy hormone, which is known as hCG, 6 to 8 days after ovulation, or 10 days after a missed period. read more