OvaCue FAQ

The OvaCue is the most advanced fertility monitor available for trying-to-conceive couples, allowing you to predict ovulation up to 7 days in advance.

  • Recommended by fertility specialists
  • Proven 98.3% accurate in government-sponsored NIH study
  • Features a calendar-view, color screen that displays in 3 languages
  • Convenient and easy to use, has helped tens of thousands of couples conceive

Please review the FAQs below. If you still have questions, don't hesitate to contact our support staff.

OvaCue Manual

General

How easy is the OvaCue to use?

It's very easy! It simply requires that you take an oral reading every morning for 3-5 seconds (at the start of your menstruation) and a vaginal reading daily for 3-5 seconds (once menstruation has ended). With this information, the monitor is able to populate a predicted fertile window up to 5-7 days in advance as well as pinpoint your ovulation day.

What does the OvaCue measure?

It measures the changes in electrolytes in salivary and vaginal fluids that signal the onset and completion of the ovulatory process.

Does it work? Is it accurate?

Yes. The OvaCue has been clinically proven to be 98.3% accurate in predicting and confirming ovulation. See the references to these studies.

How much advance notice of ovulation will the OvaCue give?

The OvaCue can give 5-7 days advance notice of upcoming ovulation.

Why is advance notice of ovulation important?

It is important because sperm needs time to travel to the proper place in the Fallopian tube for fertilization of the ovum. Therefore, having intercourse on the days leading up to ovulation as well as the day of ovulation is optimal. 

How does the OvaCue differ from urine-based fertility monitors?

The OvaCue offers a higher degree of accuracy in predicting ovulation when compared to urine-based fertility monitors, while also providing the convenience of saliva and cervical mucus-based testing.  Urine-based fertility monitors base their prediction on the presence of a specific level of an estrogen metabolite in urine. OvaCue bases its prediction on changes in saliva produced by the hormone interaction that triggers this rise in estrogen. The OvaCue does not require that the hormone reach a specific predetermined threshold, but rather it reports the individualized hormone pattern.

The confirmation signal in urine-based fertility monitors is the presence of luteinizing hormone (LH) in the urine. Sometimes this signal is seen on the day of ovulation and sometimes on the day after ovulation. (Note that one can not achieve pregnancy after ovulation has already occurred.) The OvaCue signal is based on the shift from estrogen dominance to progesterone dominance, which produces changes in the electrolyte characteristics of the vaginal mucus. The lowest OvaCue vaginal reading occurs on the day before the shift; a marked rise in OvaCue vaginal reading usually occurs on the day of ovulation, followed by continued elevated vaginal readings. An additional advantage of the OvaCue is that there are no recurring costs for test sticks.

For additional information, visit the comparison chart on our fertility monitors comparison page.

I have irregular cycles; can I still use the OvaCue?

Yes. The OvaCue was designed to be used by women with varying cycle lengths. Please note, for women with irregular cycles, it may be necessary to not rely solely on the color coding provided and instead interpret the raw data. For interpretation help, please contact us. 

I am in my 40’s; can I still use the OvaCue?

Yes. The OvaCue was designed to be used by women of any age, once they have begun to ovulate.

I have long cycles; can I still use the OvaCue?

Yes. The OvaCue was designed to be used by women with very long or unpredictable cycles. Please note, for women with long and irregular cycles, it may be necessary to not rely solely on the color coding provided and instead interpret the raw data. For interpretation help, please contact us. 

Can I use the OvaCue for Birth Control/Natural Family Planning (NFP)?

The OvaCue is not approved for use as a contraceptive. Although the OvaCue will inform the user of precisely which days you can or cannot conceive, the use of the monitor as a contraceptive has not been approved by the FDA.

Will the OvaCue work for me if I'm taking fertility drugs?

Yes. The OvaCue can still be used by those taking Clomiphene Citrate (Clomid, Serophene, etc.) and other fertility drugs. If you are taking an ovulation inducing medication like Clomid or Femera, please make sure you input this information into the Meds Start field in your settings. 

Does the OvaCue work for women who are breastfeeding?

Only if your menstrual cycle has returned. If your cycle has not returned, the OvaCue will not be able to correctly identify your fertile window. Please note, for women who are breastfeeding, data interpretation may be necessary - therefore, we recommend you don't rely solely on the color coding provided. Feel free to contact us for interpretation assistance. 

Is it safe?

Yes. The OvaCue is a safe and effective aid to assist with conception.

Can I get pregnant after ovulation?

No. Once the egg has passed the Fallopian tube without being fertilized, you cannot become pregnant in that cycle, except in rare cases.

Are there recurring costs for using the OvaCue?

No. There is nothing more to buy with your OvaCue (except replacing the battery) and it can be used safely for many years.

Oral Sensor

On what cycle day must I start to take oral readings?

You must start by day 4 of your cycle, preferably by cycle day 2. (Day 1 is the first day of menstruation.) 

When taking the oral tests in the morning, does the test have to be taken the same time every morning?

Yes, if possible. Variances of fewer than two hours are not going to change your result, but for the most accurate data, please try to take the reading at the same time every day.

Is it okay to have a drink before taking the oral test in the morning?

You should not allow anything to enter your mouth before taking an oral reading, particularly liquids, toothpaste, food, cigarettes, etc.

When should I begin intercourse?

The OvaCue will display a light blue (possible fertility) box on the calendar once the Cue Peak trend in the oral readings is detected. This signals the beginning of the fertile window and will be 5-7 days before ovulation. It is recommended that you have intercourse every other day on the light blue days that are displayed, and every day on medium blue (high fertility) days, and on the darkest blue day (peak fertility). Additionally, we recommend that as you see your vaginal readings declining, you consider yourself in your most fertile window and time intercourse appropriately. 

How come the oral numbers seem different if I take them 2 times in a row?

The act of taking an oral reading affects both the quantity and quality of your saliva. You should only take one reading and save that - any subsequent readings will be less accurate. 

What should I do if I get a reading over 400 with the oral sensor?

Make sure the sensor is plugged all the way into the monitor. Ensure that you are applying pressure to your tongue so all three silver disks are in contact with saliva the entire time the reading is being taken. Please retake the reading right away. If the problem persists, please contact us. 

Why is my calendar displaying a yellow error box?

Ensure that you have begun taking oral readings between cycle day 2 and cycle day 5. If you begin taking readings later than this, it will yield an error message. This may also result from a problem with the entered "Settings" and if corrected, the error message will resolve.

Do I have to take oral readings all month?

Once you have passed through your fertile window and can confirm ovulation has occurred, you may discontinue taking oral readings until the beginning of your next cycle. If you have an irregular cycle, however, it might be necessary to continue oral readings throughout your cycle.

Vaginal Sensor

When do I take vaginal readings?

You should begin taking vaginal readings once menstruation has ended - the sooner you can begin, the better. You can take the vaginal reading at any time during the day, but whatever time you pick, you need to be consistent with the timing.

When taking the vaginal reading, where exactly should the sensor be?

The easiest way to describe how to place the sensor is to imagine you are lying on your back. Insert the sensor vaginally just until you feel it touch the cervix. Then pull slightly out on the sensor (approximately 1/4 to 1/2 inch) and lift the handle so it would essentially be pointing towards the ceiling and the sensor itself pointing towards your backbone. This will drop the sensor into the vaginal mucous pool which is where you want the placement to get an accurate reading.

How come the vaginal numbers seem different if I take them 2 times in a row?

Simply taking the vaginal reading affects both the quantity and quality of the vaginal mucus. We recommend you only take one reading and save that - any subsequent readings will be less accurate. 

Can semen affect the results?

Yes, we recommend using the vaginal sensor prior to intercourse or taking the reading at least 8 hours after intercourse. This also applies to the use of a progesterone suppository or lubricant. 

What should I do if I get a reading over 400 with the vaginal sensor?

Make sure the sensor is plugged all the way into the monitor. If that isn't the problem, it tends to be an issue of sensor placement – please consult the user manual to determine where the sensor should be placed. Please retake the reading right away. If the problem continues, please contact us. 

Do I have to take vaginal readings throughout my entire menstrual cycle?

We highly recommend taking vaginal readings throughout your cycle.

Other Products to Help You Conceive…

Improve the quality and quantity of your cervical mucus with FertileCM. Also supports a healthy uterine lining for implantation of the embryo.

Clinically shown to improve count and motility. FertilAid for Men is doctor-designed to improve male reproductive health.

Support good reproductive health and increase chances of conception with all-natural and organic FertiliTea.

Optimizes your chances of conceiving with FertilAid for Women - a fertility enhancing supplement designed for trying-to-conceive women.

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Information on this site is not meant to substitute for the advice of a physician or medical professional and should not be not used for diagnosing or treating a health problem or disease, or prescribing any medication. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease. Read the complete terms of use here.