Geratherm Ovu Control Reusable Ovulation Predictor Using Saliva
Ovu Control is a saliva based method of detecting ovulation which is now Health Canada approved! It has experience in over 70 countries and is continuing to help families on their journey to get pregnant! Compared to traditional LH urine strips, benefits include:
  • Simple - dab of saliva on microscope
  • Economical - Unlimited tests with this reusable device* (equivalent to the cost of 2 months of traditional urine strips!)
  • Accurate - Clinically equivalent to urine strips
  • Hygienic - no urine required


  • Scientifically tested saliva-based method (‘ferning phenomenon‘) – assessment of the dried woman´s saliva sample
  • With mini-microscope (50-fold magnification)
  • Easy to use and unlimited usage
  • Gives immediate results
  • Reliable, precise & hygienic
  • 100 % discreet thanks to lipstick design
  • Can be used anywhere & is re-usable
  • Clinically tested
  • With cleaning cloth for lens of microscope
Learn more about how Geratherm's Ovu Control Saliva Ovulation Test works and why it's a convenient and cost-effective alternative to traditional ovulation kits on our blog, The Well.

Example Results:

Cautions or Warning: Certain medications or hormone treatments, as well as
smoking, acute inflammations in the mouth or throat, and alcohol can temporarily alter the composition of saliva and thereby affect the result. Before applying the saliva, check that the outer, smooth surface of the lens is clean. For reasons of hygiene and health, it is recommended that the device be used by one individual only. Do not expose your device to intense heat or cold. Never immerse the device in water or other fluids. Do not clean it under running water. Do not drop the ovu control device and do not subject it to sudden impacts. Protect it from dust, dampness and heat. Do not modify or disassemble the device. Keep out of the reach of unsupervised children. Consumables could be swallowed. Damaged devices should not be used.

We are only able to ship this item to Canadian customers.
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j.c.: a few months ago

Took a bit to get used to but works well! I travel frequently too so it's very handy for me to use anywhere.

M.L.: a few months ago

I was recommended to try this out from my naturopathic doctor since it is reusable. Definitely worth it but I am still working on timing my ovulation. Easiest thing is that I use every morning when close to ovulating and I don't need to pee on anything anymore!

Dani: a few months ago

This thing is awesome. I had it a long time ago before it became Health Canada approved and was barely even known about. I found it to be very accurate when compared to my cervical mucus. Two children later, I can certainly say it helped!!

SP: about a year ago

I have mixed feelings about this. I found that it would fern a little bit then next day no ferns. The day of ovulation showed no ferns so my husband took a photo with his phone through the lens and when you zoom in you can see the actual ferns.

I also found it hard getting saliva on the lens properly, and knowing how much to put.

I do have endometriosis so I'm not sure if this product might not work so well for me due to endo-related hormone imbalances.

We used this in tandem with pee sticks and this is the first month trying, I'm only 9 days past ovulation. We will continue to use this and see how it goes.

Janet: more than a year ago

it's been about 4 weeks so far and the product actually showed signs of ferning along when my app said it would. Using Ovu Control quickly because a morning routine for me. I hope that this will allow me seriously track my cycle for a few months as requested by my naturopath.

AN: more than a year ago

i like the simplicity of this product, i use after my period and enjoy following the patterns. good for birth control as well

ME: more than a year ago

This is a horrible product. It's very difficult to figure out the result. I've been using 3 times everyday for 1 month but it never came out a proper result.

Janet: more than a year ago

I found out that the marker for saliva testing actually occurs 1 day earlier than LH (urine strips). That actually gives an extra day if needed! Either way it is simple to use and I've been tracking for a few months so it definitely saved money and to do it in the morning made life a lot easier.

Ana: more than a year ago

I HATED peeing on the sticks, saliva test is super easy. I saw ferning around my estimated ovulation days and could use again and again.

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