Is this new fertility gadget a game changer?


Thanks to the local introduction of Daysy, the state-of-the art fertility monitor, South African women now have access to a completely safe, hormone-free and thoroughly user-friendly natural birth control and family planning tool to ensure peace of mind and enjoyment of life - and love – to the fullest.
In line with the growing trend towards natural birth control and fertility awareness, Daysy fits the bill perfectly. It is all natural, free of any side effects and shows a woman whether she is fertile or not, with an accuracy of 99.3%.1
“Many of our patients are unable to take the combined hormone contraceptive - some for medical reason, others by choice. In private practice it is becoming exceedingly common for women to seek a hormone-free form of contraception. Daysy is an easy, clinically sound solution for these patients, but it also provides the gynaecologist with accurate information which can be clinically valuable.

All the gynaecologist has to do is direct the patient to Daysy’s local website where they will be able to access accurate information and receive great support from the company promoting Daysy in South Africa,” comments specialist obstetrician and gynaecologist, Malikah van der Skyff. 

Daysy in a nutshell

The device measures your basal body temperature (BBT) with a highly developed sensor that is much more sensitive than a regular thermometer. As the days, weeks and months pass, Daysy collects your temperature data and applies a powerful formula, developed from 30 years of research and data from more than 5 million women’s menstrual cycles.

This allows Daysy to interpret your cycle to let you know when you are fertile and when you are infertile, with 99.3% accuracy. This is according to fertility awareness and body literacy advocate and educator, Holly Grigg-Spall.2

“Daysy can also tell you when you’re likely to fall pregnant. While a regular BBT thermometer will just give you a number, Daysy takes that number, analyses it along with the past temperatures, and gives you a light – green for infertile, red for fertile.”2

“Daysy was developed to the strict medical device testing guidelines of the European Union. It is classified as a Class I Medical Device and has solid clinical data backing its efficacy. It is the most accurate, all-natural fertility management solution available insofar as it easily indicates when pregnancy can be prevented or planned.

It is interesting to know that very few women truly understand how their bodies work. Daysy provides women with empowering information which allows them to take control of their bodies,” says Catherine Lepley, Head of Sales and Marketing of Daysy in South Africa.8

“Many women delay starting a family until they have achieved their personal goals. Daysy provides couples, who have decided to start their family, with an option to increase their likelihood of quick conception, by providing them with information as to when they are most fertile.

Should they not have conceived after a period of six months, they should consult a fertility specialist with the menstrual cycle reports that can be generated from the Daysy app,” adds Dr Edelstein.9

“For women coming off hormonal contraceptives, this device provides much needed confidence for going drug-free with a simple colour-coded feedback system to alert the user to the fertile and infertile days of their unique cycles,” comments Natalie Rechberg, CEO, Valley Electronics.

Daysy does not control contraception; however it accurately advises users as to whether or not contraception should be used to prevent pregnancy or when it’s advisable for the user to have sexual intercourse to increase the likelihood of conception, thus allowing women to take complete control during their cycle. If contraception is required, it must be provided through other means such as a barrier method (condom, diaphragm, etc.).5

Proven technology

As the core technology of Daysy is based on that of cycle computers, Lady-Comp, Baby-Comp and Pearly, with over 30 years on the market and validation through multiple clinical studies, it is functionally equivalent to all of the above devices, reducing user error in measurement and interpretation.5

The study also states that cycle computers are eco-friendly devices as their usage does not influence the environment in any way, contrary to hormonal methods. The hormones that are removed and excreted from the body are non-biodegradable and in the process of sewage treatment, they find their way to surface waters, influencing the fauna directly, and human beings indirectly.6

DaysyView app

“Daysy is unique as it’s the first ever and only fertility monitoring device that partners with an app, daysyView. Like Daysy, daysyView is certified as a medical “device” under the same strict regulations, which means it is authorised to be used to plan or prevent pregnancy along with Daysy itself,” enthuses Grigg-Sprall.2

“By connecting the Daysy fertility monitor to daysyView, a woman can view all her cycle data. Once Daysy is connected to the app, it will automatically synchronize the data with daysyView, giving the woman access to her temperature data and curve, as well as her fertility prognosis. However, unlike other apps that may expose the data collected, daysyView’s information can be confidentially shared with a loved one or doctor only if the user wishes to do so,” explains Rechberg.

DaysyView allows a woman the option to safely and securely store the data from Daysy online, enabling her to leave Daysy at home and still have access to her fertility status throughout the day.1 If a woman wishes to keep her data to herself, she can use the app without storing the data online.

The app also offers the user the opportunity to view her future fertile and infertile days in a monthly preview. Based on the information gathered through your measurements, daysyView is able to calculate a prognostic forecast of your cycle, making family planning as easy and comfortable as possible.1

Besides helping you keep track of the days you can have sexual intercourse, the daysyView app also offers fun features such as a gender prediction tool that can help you increase your chances of conceiving a boy or a girl. And with the partner app feature, you can let your beau know when it’s time to get down to business.1


The Daysy user-interface is designed to be simple and easy to use. It consists of a temperature sensor for oral measurements, a single button, a buzzer, a communication jack and a series of coloured LEDs through which the fertility status and device state are displayed. It does not display the user’s temperature.5

Unlike the Fertility Awareness Method (FAM), which involves checking cervical mucus and position, Daysy simply takes your temperature (under your tongue) every morning, before you get out of bed. Menstruation is also confirmed on the relevant days on the device. Daysy then evaluates your data and calculates your fertility status until the next day.1

For women wanting to prevent pregnancy, a green light on Daysy means you are not in a fertile phase and can enjoy making love with your partner completely carefree. A red light indicates fertility and the need for a barrier method of contraception such as a condom, a diaphragm or a sponge. Yellow days indicate cycle fluctuations and Daysy’s learning phase.

To avoid an unwanted pregnancy, this should be handled similarly to red days, using an additional barrier method. However, as Daysy gets to know you and your body, the yellow days will gradually decrease.1


1. Meet daysy – your personal fertility calculator. P1. https:/ us/media-new/ Accessed 8 March 2016.
2. Holly Grigg-Spall. Blog. Why Daysy? P3. Nov. 18, 2015. Accessed 8 March 2016.
3. Medical Evaluation, Confirmation Medical Device. Dr. Andreas Marx, ClevaMed. Sept. 20th, 2007, P1. Accessed 8 March 2016.
4. Telephonic interview with specialist obstetrician and gynaecologist, Malikah van der Skyff. Johannesburg, Gauteng. 2 March 2016.
5. Daysy Clinical Evaluation. 15-04-2014. P 4 of 16. www.valley-electronics/ch Accessed on 8 March 2016.
6. Polish Gynaecology PL ISSN 0017-0011 Volume 81. Ginekol Pol 2010 (11) 801-880. Indexed in MEDLINE/Index Medicus/PubMed/Index Copernicus/Journal Citation Report/Science Citation Index Expanded/
7. Holly Grigg-Spall. 4 Surprise Bonus Benefits Of Using A Fertility Monitor. Blog. March 16, 2016. ts-of-using-afertility-monitor/ Accessed 29 March 2016.
8. Interview with Catherine Lepley, Head of Sales and Marketing of Daysy in South Africa. Gauteng. 11 February 2016.
9. Telephonic interview with Dr Sascha Edelstein, gynaecologist, non-executive board member and medical advisor to the Infertility Awareness Association of South Africa (IFAASA). Gauteng. 2 March 2016.
10. Telephonic interview with Natalie Rechberg, CEO, Valley Electronics. March 2016.

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