posted 9 years ago in Babies
Post # 3
2695 posts
Sugar bee
  • Wedding: February 2008

I don’t know what the monitor is…

the logic on 7 vs. 20 is that you use the 7 when you have a pretty good idea when your ovulation window is (ie you know within a few days) but you want to pinpoint the day.  The 20 is if you really don’t know and you want to start testing as soon as your period is over….

I personally started with the 20, after my period was over, for a month or two to get a sense of my ovulation timing.  Then I switched to just doing it around the ovulation window.  FYI I thought they whole “you must use this pack within a month” thing was BS, so I would buy in bigger bulk and use for a couple months (but I don’t *know* it is BS!)

Post # 4
801 posts
Busy bee
  • Wedding: August 2008

I used the monitor and I could have read the sticks just as easily as the monitor.  It works but I would just go with the OPK sticks.  I only used the monitor because it was passed down to me from a friend (you can reset them).

Post # 5
1080 posts
Bumble bee
  • Wedding: March 2010

The sticks are based off color. You are ovulating when the two lines are the same color or one (top or bottom) is darker. The monitor stores all of your information and tells you more fertile days, days leading up to ovulation. It also is digital so it takes the guess work out of reading the results.

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