Geratherm
✓Fertility Thermometers
GERATHERM Basal Analogue Thermometer for Cycle Monitoring and Fertility - Includes Evaluation Table - Made in Germany
★★★★★3.4
$88.99
ViewPrice
$44.99
Home/Health & Personal Care/Medical Supplies & Equipment/Diagnostics & Health Monitors/Tests/Family Planning Tests/Fertility & Ovulation Testing/Fertility Thermometers
Digital Basal Body Temperature Thermometer Dual Modes: Easy@Home Fertility Thermometer with Backlight LCD Display, Premom APP | Ovulation Tracking & Charting | 1/100th Degree High Precision
★★★★★
$44.99
Quantity
1
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About this item
- BBT OR INSTANT READ MODES: The body temperature thermometer has 2 modes. In instant read mode, the oral body temperature can be measured in about 8-12 seconds. The bbt thermometer mode is designed for ovulation tracking and fertility prediction. It only takes about 60-120 seconds to get accurate result.
- CLINICAL HIGH ACCURACY: The fertility thermometer provides temperature readings to 1/100th of a degree (2 decimal places). This oral thermometer is sensitive enough to measure subtle changes in body temperature with high accuracy of ±0.05℃(±0.09℉), and you can choose between Fahrenheit and Celsius.
- SMART THERMOMETER WITH APP: By entering your basal body temperature manually, Premom app can automatically chart your reading inputs and draw your BBT shift digitally. You can track and view your ovulation cycle and fertility windows prediction at any time.
- EASY TO READ: The digital thermometer has large LCD screen with backlit for reading in the dark easily. This bbt thermometer provides unlimited record stored on cloud with your account and 30 records recallable with device.
- GENTLE TONE SOUND: Tone sounds when final temperature is reached & fever alarm.The basal body thermometer for ovulation tracking has a gentle confirmation beep, when testing is complete. No timer needed. No need to worry about waking up your sleeping partner beside you either.
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Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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