Fertilityfriend O Dates/Charting

[paranoidpatty]

Hello ladies!

I'm confused about my luteal phase and the reliability of fertilityfriend.com (FF).  I'm charting for my 2nd & 3rd cycles off bc pills.  I keep my own chart and one on FF.  I'm having doubts about their calendar predictions.  Haven't been ttc yet, but was planning real soon.

First period off bc was 35 days, no charting.

2nd cycle (Oct) - 25 days long
My chart:  "O" at CD11(13-day LP)
FF chart:  "O" at CD16(9-day LP)

3rd cycle (Nov) - still no AF and I'm on CD29
My chart: "O" on CD15
FF chart: "O" on CD15 (so far, 14-day LP), expecting AF any time now.  No BD anywhere near "O" times.  

Beware: FF has NOT changed my next "O" date on their calendar even though my cycle changed to longer this month. AF has not even come yet and they still predict my NEXT "O" date as 12/16 as if my cycle is always 25 days. I can see how some women will get confused about using FF's predictions of "O" dates on the calendar.  I know my cycle is irregular right now so using their calendar does not help. The chart helps though.

Question, I know the luteal phase is normally consistent even if you're irregular.  But has anyone gone off bc and had problems with an irregular luteal phase?  Why would FF give me a 9 day LP one month and then a 14 day LP?

[paranoidpatty]

Thanks for the advice.  I posted this same question on the fertility forum and they said the same thing about the dates changing after I put in the first day of AF.  So I guess I was jumping the gun.  

Also, I will check out the FEMTA site too.

Thanks again!!

[luvbug02]

With the FF website i think the dates stay the same until you change when your period starts i think that when you put your first day of your period on there it will change your fertile days. other then that i dont know what that could mean. Good luck and baby dust.

[gardenroses]

I like to use the FEMTA to chart my cycles. Its been working right so far.  Sorry, i'm not much help!