• First, make sure that you have not eaten, had anything to drink, brushed your teeth or smoked for at least two hours prior to testing.
• Second, be sure to swish saliva around in your mouth and gather fresh saliva from the saliva glands under your tongue.
• Third, you may have misscalculated the time of ovulation. Make sure you have accurately kept track of the length of your complete menstrual cycle.
• Fourth, your body may not be producing enough estrogen. If you think this is the case, please consult your physician.

Q: I am seeing ferns all the time. Why is that?

A: A small percentage of women produce a high amount of estrogen all month long. One reason could be that you might not be producing enough progesterone. If you think this is true in your case, please consult your doctor or health care provider.

Q: What else could interfere with my test results?

A: Possible things are: pregnancy, recent pregnancy, have reached menopause, have just stopping taking birth control pills, or taking injections for birth control. This would also be true if you are taking hormone replacement therapy, such as supplemental estrogen.

Q: How long before the fern will disappear off the slides?

A: If the slides are kept in a dry environment, the slides will keep their ferning patterns for many months.

Q: I am trying to be come pregnant. Should I use any other types of ovulation detection, such as a LH kit?

A: Although the Saliva Predictors are very accurate, if you are trying to become pregnant, you may use as many kinds of ovulation testing as you would like.