If you are trying to conceive, the pregnancy hormone human chorionic gonadotropin (hCG) should show up as a positive result on a pregnancy test right around your predicted period start. This will be close to the end of your cycle, 10 to 15 days after ovulation, (near your next predicted period) if you conceived. Ovia will predict the best day for you to take a pregnancy test and keep a count down to your next test on your home screen. Read more here and here.