Fertility Monitor – Natural Hormone-Free Ovulation Monitor & Fertility Awareness Device – Accurate BBT Tracking & Ovulation Detection – Non-Invasive, App-Free & FDA Cleared

Product description

Reliably track your cycle without an app

The original fertility tracker.

Lady-Comp is your reliable companion for natural family planning. In just 60 seconds, it measures your basal body temperature and uses a smart algorithm along with your personal cycle data to tell you directly on the device whether you’re currently fertile or not, with an accuracy of 99.4%.

Lady-Comp is a certified medical device.

It is your personal cycle computer and combines a sensitive sensor with a smart algorithm.

With Lady-Comp you understand your cycle.

Precisely know your fertile days and confidently tell when pregnancy is possible and when it’s not.

Simple measurement and automatic analysis.

With quick daily measurements, your fertility status is displayed directly on the device.

Everyone with a menstrual cycle can benefit.

Get to know your cycle, practice natural family planning, and track your pregnancy.

1 What is Lady-Comp?

2 What does Lady-Comp do?

3 How do I use Lady-Comp?

4 Who can use Lady-Comp?

Take your fertility into your own hands. Precision & Reliability

Backed by 40 years of research, Lady-Comp distinguishes your fertile and non-fertile days with 99.4% accuracy.

Effortless use

Lady-Comp is a precise ovulation tracker. In just 60 seconds, you’ll have clarity about your fertility. No manual calculations needed.

Intelligent algorithm

Using your individual measurement data, the algorithm performs advanced analyses to reliably identify your fertile days.

Long-term investment

Lady-Comp is an investment in your health. A reliable solution for fertility planning with no extra costs or subscriptions.

Basal temperature

Every morning after waking up, measure your temperature under your tongue for 60 seconds.

Menstruating?

If you’re on your period, simply confirm it with a quick click on the device.

Are you fertile?

Lady-Comp automatically shows you your temperature curve and fertile window directly on the device.

Always stay informed

Access detailed insights into your current and past cycle data at any time.

Track your cycle with confidence: here’s how

1 Measure temperature 2 Enter your period 3 Fertility status 4 Fertility calendar

Is Lady-Comp reliable and safe?

Yes, Lady-Comp is a medical device with an accuracy of 99,4%

How soon can I trust Lady-Comp’s results?

You can trust Lady-Comp’s results starting directly from day one.

Who can use Lady-Comp?

Lady-Comp is for anyone who menstruates, whether you work shifts, are a mom, want to conceive, wish to prevent pregnancy, or are dealing with cycle-related issues like PCOS or endometriosis.

What functions does Lady-Comp have?

Lady-Comp shows you when you ovulate, whether your cycles are regular, it can detect possible hormonal imbalances (like luteal phase defects) and inform you that you are pregnant. All features that you need for hormone-free family planning.

Do I always have to measure my basal temperature at the same time?

No. What’s important is that you’ve rested for at least one hour and take your temperature immediately after waking, before getting up or moving around.

Is Discontinued By Manufacturer ‏ : ‎ No
Package Dimensions ‏ : ‎ 5.55 x 5.51 x 2.13 inches; 4.59 ounces
Item model number ‏ : ‎ 4002
Batteries ‏ : ‎ 1 CR2032 batteries required. (included)
Date First Available ‏ : ‎ April 4, 2014
Manufacturer ‏ : ‎ VE Valley Electronics GmbH
ASIN ‏ : ‎ B018MSJI68
Best Sellers Rank: #361,352 in Health & Household (See Top 100 in Health & Household) #39 in Basal Thermometers #58 in Fertility Tests & Indicators
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Take Control of Your Fertility, Naturally Lady-Comp is a non-invasive, hormone-free fertility monitor that tracks your daily basal body temperature to accurately identify fertile and non-fertile days—empowering you to take charge of your reproductive health.
Instant Fertility Status at a Glance With a simple red (fertile), green (not fertile), or yellow (learning phase) light display, Lady-Comp makes it easy to understand your cycle status—no guesswork, no apps, no confusion. In just 60 seconds daily, the backlit display and optional alarm help you stay on track effortlessly, every day.
Over 99% Accuracy Backed by Decades of Research Engineered in Germany, Lady-Comp combines clinical precision with over 35 years of fertility tracking expertise. This certified medical device (CE marked, FDA 510(k) cleared) uses a proprietary algorithm with 99.4% accuracy in detecting fertile and non-fertile days.
Personalized Cycle Intelligence Lady-Comp learns your unique cycle over time, offering insights into ovulation patterns, fertile windows, and hormonal imbalances. It provides a personalized 6-month fertility forecast and tracks key pregnancy milestones, including conception date and expected due date, supporting your goals—whether that’s pregnancy planning or simply body awareness.
Zero Subscriptions. Zero Hormones. Zero Hassle. 100% Private and Off The Grid Lady-Comp offers a one-time purchase with no recurring fees or subscriptions. It works without power or internet, and your cycle data stays completely private. Just a simple, science-backed tool that gives you clarity and confidence.