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Everything You Need To Know About A Fertility Monitor


If you're trying to get pregnant, seeking as much information about your own ovulation cycle and identifying those critical fertile days can really help you pinpoint the most likely days for you to get pregnant.

For many women, using a fertility monitor can make the process a lot more straightforward.

The best time to have intercourse is in the 12 to 48 hours before ovulation occurs. This way, sperm have time to travel to the fallopian tubes to meet the egg when it is released from the ovary.

Unlike many techniques such as monitoring the post-ovulation rise in body temperature, using a fertility monitor can identify the critical 2 days in the lead-up to ovulation, maximising your chance of getting pregnant.

Here are some FAQs answered for you…

What is a fertility monitor?

  • A fertility monitor is an electronic device that helps you to identify your fertile period. They are generally small, portable, battery-operated gadgets which analyse the results of a fertility test.

  • Although there are multiple brands and types of fertility monitors in the market, the most simple one will just show either a red or green light when analysing a test-stick used to measure hormones in urine.

  • Other more complex fertility monitors record a series of measurements over time (either of urine test-sticks, temperature or saliva) and then highlight your most likely fertile period.

  • The most common method used by fertility monitors is disposable test-sticks which are dipped into urine to measure hormone levels, usually LH (luteinising hormone).

  • Many fertility monitors use thermometers to identify the rise in body temperature that occurs a few hours after ovulation.

  • Some fertility monitors measure hormone levels in saliva. This can be done by measuring ferning patterns, or even electrical resistance of saliva.


How does a fertility monitor work?

  • Once ovulation has occurred, the egg is only viable for between 12 and 36 hours. In general, fertility experts recommend that having sex in the 2 days or so before ovulation, or right at the time of ovulation, will give you a better chance at getting pregnant.

  • Ovulation is triggered by a rise in the level of a number of hormones, including oestrogen and luteinising hormone (LH). This rise happens a few days before the egg is released and can be measured in changes in some bodily fluids.

  • Some fertility monitors measure the levels of one or both of these hormones in your body (by testing a few drops of your saliva or a few drops of urine) so that you can see when this hormone surge occurs.


Can a fertility monitor be used for birth control?

This is not advisable. While some fertility monitors do advertise their accuracy at up to 99 percent, it is very unwise to use them for birth control as sperm can survive in the body for up to 5 days, which is generally much longer than the period of fertility identified by a fertility monitor.

Have more questions on pregnancy? Join a support group (if you have not done so!). Motherhood represents a completely new phase in your life and a community of new mothers who can journey with you will be helpful! Pregnancy tips, parenting tips, free diaper samples and exclusive diaper offers shared on the Huggies Club platform can ensure you are best prepared for your newborn child too.


The information published herein is intended and strictly only for informational, educational, purposes and the same shall not be misconstrued as medical advice. If you are worried about your own health, or your child’s well being, seek immediate medical advice. You should never delay seeking medical advice, disregard medical advice, or discontinue medical treatment because of information on this website. Kimberly-Clark and/ or its subsidiaries assumes no liability for the interpretation and/or use of the information contained in this article. Further, while due care and caution has been taken to ensure that the content here is free from mistakes or omissions, Kimberly-Clark and/ or its subsidiaries makes no claims, promises or guarantees about the accuracy, completeness or adequacy of the information here, and to the extent permitted by law, Kimberly-Clark and/ or its subsidiaries do not accept any liability or responsibility for claims, errors or omissions.


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