The DuoFertility fertility monitor consists of a discreet, hand-held
reader and a small
sensor, roughly the size of a £1 coin, which is worn underneath your arm. The sensor measures your temperature continuously and uses this information to pinpoint your ovulation
? and identify when you are most fertile, helping you to get pregnant more easily.
“Identifying the precise period of ovulation can significantly maximise a couple's chances of natural conception”
- The technology used in the fertility monitor detects your fertile days with 99% accuracy, making it easier for you to get pregnant
- The fertility monitor takes roughly 20,000 temperature measurements while you sleep
“Far more accurate than any fertility monitor”

- No need to wake up early to measure your temperature or collect a urine sample each day
- Check and monitor your fertility levels whenever it’s most convenient for you
“Easy peasy, and no pee samples or early wake-ups”
- Developed by a team of technology and fertility experts from the University of Cambridge
- Access to an in-house team of fertility experts who will help you on your journey to getting pregnant
“Could help thousands of would-be parents conceive"