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family of ovulation prediction products, since 1983.

"Even with my irregular cycles, the OvaCue predicted and confirmed ovulation and helped us achieve our greatest dream the very first month!" -- Nina B. (more)

Worth what you paid for it? Face it, if it were really this simple, you wouldn't be here now.

Get a direct reading of your body's signals with the OvaCue Fertility Monitor.

About Fertility Monitors —>

Ovulation charts and calendars

The ovulation calculators and calendars on many popular web sites are typically simple tools that tell you what you already know.

Fortunately, keeping charts and graphs for tracking cycles and predicting ovulation is no longer necessary. The OvaCue^® Fertility Monitor tracks your cycles electronically for four months running, and—with the use of the OvaGraph software—for a lifetime.

An ovulation calendar that is unique to you.

Unlike typical ovulation calendars, which are based only on the date of your last period, the OvaCue generates highly accurate predictions based on direct measurements of your past and current hormonal cycles. OvaCue measures daily changes in the electrolytes in your saliva. It stores your cycle data in memory and predicts and confirms ovulation automatically.

Your fertility records on your computer

Optionally, install OvaGraph software on your Windows-based PC and begin to download your cycle data to your computer. Track your fertility for a lifetime and view, graph, and print your personal ovulation calendar as often as you like.

What if I like keeping a written ovulation chart?

For those who like to keep a record manually, you can plot your Cue or OvaCue readings using the Cue Charts, as pictured below.