Starting natural family planning and how to use it
It can take up to 6 months of tracking your cycle before you feel confident about predicting ovulation and knowing when to use extra precautions.
When you're getting started, it’s recommended to work with a specialist natural family planning trainer who can teach you how to chart your cycle. They’ll also show you how to review the charts regularly, to help you predict ovulation and work out your fertile period each month.
To get help and support with natural family planning, you'll need to:
make an appointment at your local sexual health clinic
or find a trainer through Fertility UK
What thermometer should you buy?
Regular ear or forehead thermometers are not accurate enough for measuring your temperature for natural family planning.
It’s better to use a thermometer that measures very small increments: 1/10th or even 1/100th of a degree. These are often known as ‘basal’ or ‘ovulation thermometers’.
What chart should you use?
There are many charts available online, along with digital apps. The NHS suggests using fertility charts from the Fertility Education and Training site, where you can also get information on how to use them.
Which app should you use?
Make sure you use a licensed app.
As far as we know, only the Natural Cycles app is licensed, but there are likely to be more in the future.
Did you know?
Many people use this kind of fertility tracking to identify their most fertile time when they’re planning a pregnancy.
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