Who has had luck getting pregnant by using ovulation tests? I used the <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period tracker</a> app first. It showed you fertile days and actual ovulation date. I think we are missing the mark each month? Thoughts on best time to have sex according to the calendars on these apps or by the ovations tests? Before you ovulate, the day of, how many days after....