So my <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period tracker</a>(s) say almost the same thing just a couple days off from one another which do i believe more about my fertile window and ovulation day. One said the 25 another says 26 and another says 28 iv had unprotected sex the 19th the 24th and 26th. All within my fertile window and only one day after ovulation if i did ovulate that day. In confused help! ( I personally dont know when i ovulate)