I have been using MY DAYS for 8 months, and just out of curiosity I downloaded fertility friend and a couple of others and checked online calendars, when I enter the exact same info they all come out different O dates! Some as much as 6 days difference!
Use OPK and sometimes pos/neg. I wonder if this is because my app telling me when to test is wrong!
Which app do you use?
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when we were actively ttc, i used fertility friend.
right now, just to track casually my periods, O day, since we're not using any sort of birth control, i use my days because it's simple! -
I love the Fertility Friend app. I've said it before, but I like how I can view it on my desktop or my device(s).
Also, the only way to know for sure what day you O is to chart your BBT or at least use OPKs. Without that additional information, an app cannot predict or pin point O day.
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I used Fertility Friend, but I charted my basal body temp. I wouldn't trust them unless you are charting temps or cervical mucous-- otherwise it's just a guess.
(I never used OPKs, so I don't know how that factors in, but I'd believe the OPK over an app that doesn't have that much info).
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I use FF and OPKs and it seems in line with what 'should' happen. I get a positive OPK, then usually 1-3 days later I get a clear temp shift.
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I had long cycles so I used MyDays and Fertility Friend.
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I used my days when we were TTC. You have to be familiar with your cycle though to get an at all accurate fertile day reading by going into settings and adjusting your cycle length and luteal phase to what is typical for you. Also I would adjust cycle length after confirming O with OPKs if it was off.
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@Mrs tartan: I like Fertility Friend much better than MyDays. I used MyDays for a while, but the charting aspect of FF is great! So, I deleted MyDays from my phone.
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I use Fertility Friend. It gave me average dates initially since it hadn't yet found my cycle average. Now, since they're a bit long and irregular towards the beginning, it gives me a longer window.
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I used ovu view and FF and I felt FF was much more accurate.
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I always use/used FF - the most accurate in my view, and I just liked how it worked!
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Another vote for FF!
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I use Fertility Friend, but also Ovuline (http://www.ovuline.com). It claims to put a whole lot of algorithms into the formal for when it predicts O. It and FF have different O prediction days so I'm totally confused. I'm clearly also using my body to tell me when, and we'll see what happens this month....probably nothing. Good luck!
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