https://boards.hellobee.com/ Pregnancy, Baby and Parenting blog, by Hellobee en Wed, 15 Apr 2026 22:55:17 +0000 https://boards.hellobee.com/topic/how-is-ovulation-day-decided-on-the-chart#post-2876920 Sat, 16 Mar 2019 12:38:30 +0000 yellowbeach 2876920@https://boards.hellobee.com/ <p>Man your chart looks like mine probably would have at age 25 if only I'd been TTC then - lots of BDing and lots of cocktails! :) </p> https://boards.hellobee.com/topic/how-is-ovulation-day-decided-on-the-chart#post-2876653 Thu, 14 Mar 2019 23:49:28 +0000 Sams Mom 2876653@https://boards.hellobee.com/ <p>The missing temp on CD20 and the "inconsistent time" of CD21 are major factors to pinpointing O. Also is the missing CM observation "no CM" or "didn't chart/check it", FF takes CM into account along with temp. </p> <p>Also did you get your positive OPK in the morning, afternoon, or evening? + OPK in the morning could have ovulation in the PM. I can't remember the exact range, but it's something like 12-36 hours after first + you can O.</p> <p>None the less, you covered your fertile days, and it's just the long torturous TWW now. Good luck! </p> https://boards.hellobee.com/topic/how-is-ovulation-day-decided-on-the-chart#post-2876650 Thu, 14 Mar 2019 23:05:22 +0000 bees_knees 2876650@https://boards.hellobee.com/ <p>I haven't temped in several years, so I'm out of practice...but I think that if you had a temp recorded for CD20 and a closed circle for CD21 it would make a difference. I would try experimenting with CD20...putting in a high and low temp and just seeing if it changes your O day!</p> <p>Either way, you covered your bases and your chart looks great! Have you tested yet?!</p> <p>ETA: It is using your CM to help determine O day, too. And that points to CD19 for sure. </p> https://boards.hellobee.com/topic/how-is-ovulation-day-decided-on-the-chart#post-2876494 Thu, 14 Mar 2019 09:20:28 +0000 marzi104 2876494@https://boards.hellobee.com/ <p>This is my first month really temping (oral). I started middle of last month so not sure it counted. I wanted to chart to make sure that I am ovulating and see if I can identify the window. So I am relieved to see that I do have a definitely shift here.</p> <p>But I want to understand WHY this chart (set to advanced) is suggesting that I ovulated on day 19 and NOT day 21? I know OPK (ovulation predictor kit) was last positive on 19 but you can ovulate 2-3 days after surge to my knowledge. </p> <p>There are open dots because I sometimes woke up before or after my usual time of 745am. I always had regular periods between 30-34 days though last month it was a weird 28. And I did also have one cycle about 2-3 months ago that was 18 days but that's out of ordinary for me. I don't have PCOS or any medical issues at all. </p> <p>Chart at this link:</p> <p><a href="https://www.fertilityfriend.com/home/70e9d2" rel="nofollow">https://www.fertilityfriend.com/home/70e9d2</a> </p>