May 21, 2024

Empowering Success: Kitazato’s Best Practice Recognition Program

Embryologists and fertility specialists understand the imperative nature of precision and dedication in the field of assisted reproduction. In vitro fertilization (IVF) requires a meticulous approach, relying on advanced techniques and adherence to best practices for optimal outcomes. At Kitazato, we stand at the forefront of championing excellence through our Best Practice Recognition (BPR) program. […]

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April 25, 2024

Analysis of Common Techniques in Embryo Transfer

Embryo transfer (ET) is a critical step in IVF procedures, representing the culmination of meticulous preparation and anticipation for prospective parents. The success of ET is influenced by various factors, including the technique employed during the procedure. This blog post aims to provide a comparative analysis of two commonly utilized techniques: ultrasound-guided and clinical touch. […]

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March 25, 2024

Achieve Peak Performance in Embryo Culture with Hypure® Oil Heavy!

Incorporating Hypure® Oil Heavy into your laboratory’s embryo culture protocol represents a significant advancement, ensuring more stable conditions and superior outcomes for your patients. Its unique properties and proven benefits, set Kitazato Hypure® paraffin oil apart. With reduced peroxidation and photooxidation, it ensures a higher standard of quality. Additionally, its pre-washing with ultra-pure water not […]

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February 26, 2024

Ice Breaker: Any chances of cross-contamination during vitrification?

In the field of reproductive medicine, there exists some misconception regarding the potential risk of cross-contamination during gamete or embryo cryopreservation. This concern stems from the notion that direct handling of samples might elevate the chances of contamination through the liquid nitrogen.However, contemporary scientific evidence contradicts this assumption, affirming the lack of cross-contamination risk in […]

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January 23, 2024

Lab Pills: Biopsy Techniques for Successful Results

From laboratories to clinics, the main purpose of every professional involved in an IVF treatment is to deliver to our patients a healthy baby at home. To do so, many techniques and advancements have arisen over the past years. One of the revolutionary and revealing techniques in the IVF world is with no doubt, the […]

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December 15, 2023

Kitazato’s year in review!

Putting the year in perspective As we approach the end of the year, let’s reflect on 2023 and highlight the milestones, especially our contributions to assisted reproduction, made possible through our high-quality products for every step of the Lifecycle. Join us as we revisit the key moments that defined the year. A year of global […]

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November 27, 2023

Crafting Excellence: Accurate & Precise Manipulation for ART and PGT

In assisted reproduction treatments, every detail makes the difference. From the medical devices used at every step, the materials they are made of, to the design that will maximize the user experience.   Embryologists, in charge of manipulating embryos with high precision, play a crucial role in the success of fertility treatments. In this context, having […]

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October 26, 2023

How to perform an accurate and secure embryo transfer?

Embryo transfer is the final step in any IVF treatment and may be one of the most crucial. For this reason, expertise and precision are critical for the success and optimal outcome of the treatment, leading to achieve better pregnancy and birth rates, while also maximizing women’s comfort. In the past, embryo transfer effectiveness was determined […]

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September 29, 2023

How to minimize trauma in Oocyte Retrieval?

Ensuring maximum comfort for patients during oocyte retrieval is of greatest importance to the success of the IVF procedure and a smooth recovery. That’s why at Kitazato, we are committed to revolutionizing assisted reproduction treatments by incorporating state of the art technology into the design and production of our OPU needles. Our goal is to […]

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August 24, 2023

Achieve higher rates with a globally proven protocol

Because of its remarkable success rates, reliability, and effective implementation, The Cryotop® Method developed by Kitazato has proven to be the preferred choice in the field of assisted reproduction, consistently delivering top-notch results to clinics performing IVF procedures. With The Cryotop® Method we ensure the best clinical outcomes, but this would not be possible without […]

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May 30, 2023

Vitrification Media. How to guarantee safety in the lab?

Safety in the laboratory depends not only on the performance of each person in the day-to-day routine, but also on every decision taken beforehand. For example, following a strict protocol during procedures is of utmost importance, but the products used to carry them out are no less, and that decision comes in advance. Pre-purchase research […]

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March 20, 2023

Toxicity in Culture Oils

Kitazato’s Hypure® are pre-washed parafin oils used for IVF media to maintain the stability of the embryo culture, protect it from external agents and prevent the medium from evaporating.   Quality of the oils is essential for the correct development of the culture and, for this reason, Hypure® oils are subjected to some of the most […]

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January 24, 2023

Kitazato: 25 years choosing science

Best Practice means: The Cryotop Method. Means not only the highest survival rate on the market, but also scientifically proven implantation and live birth rates, and means following the same #vitrification and #thawing #protocol for all specimens.

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December 21, 2022

Best Practice Recognition 2022

Best Practice means: The Cryotop Method. Means not only the highest survival rate on the market, but also scientifically proven implantation and live birth rates, and means following the same #vitrification and #thawing #protocol for all specimens.

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December 14, 2022

Best Practice in Vitrification

Best Practice means: The Cryotop Method. Means not only the highest survival rate on the market, but also scientifically proven implantation and live birth rates, and means following the same #vitrification and #thawing #protocol for all specimens.

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September 27, 2022

Best Practice in Micromanipulation

With one of the highest viscosities on the market, Hypure® Oil Heavy presents the best development rates and cellular count after 7 days of culture in dry incubator.

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June 1, 2022

Best Practice in Culture

With one of the highest viscosities on the market, Hypure® Oil Heavy presents the best development rates and cellular count after 7 days of culture in dry incubator.

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March 22, 2022

What is Best Practice for Kitazato?

Worldwide pioneer in vitrification, Kitazato has led the way in ART, allowing fertility laboratories and clinics to go a step further and turn their good practices into the best ones. We are now proud to embrace Best Practice as our code.

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November 11, 2021

Not following good practices during warming procedures: is it worth the risk?

“Universal” warming is a new concept we are hearing more and more that endorses the idea that any combination of different vitrification and thawing media will provide identical outcomes. Is this true and is it really worth the risk?

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August 10, 2021

“Evaluation of Hypure® Oil Heavy”, a study by Embryotools

Embryotools has conducted a study in order to evaluate the performance of our Hypure® Oil Heavy versus similar culture oils from our competitors.

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July 13, 2021

FFER 2021

  26th FFER FFER 2021 will take place from the 29th to the 30th of September 2021 in Rennes, France. More info here

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ALPHA Conference 2021

  13th ALPHA 2021 Biennial Conference ALPHA Conference will take place from the 16th to the 19th of September 2021 in Sevilla, Spain. More info here

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June 9, 2021

ESHRE 2021

ESHRE virtual 37th Annual Meeting ESHRE virtual 37th Annual Meeting will take place online, from the 26th of June to the 1st of July 2021. Congress info and registration here

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March 31, 2021

A recent study by Kato Ladies Clinic, with outstanding blastocyst survival rates of 99.5%, was conducted using a wide range of Kitazato products

Dr. Coticchio and Dr. Kato have recently published in Human Reproduction results from a study conducted in Kato Ladies Clinic, the largest IVF clinic in the world. They have analysed if perturbations of embryo morphogenesis at compaction affect blastocyst development and clinical outcomes in assisted reproduction cycles. The study has involved the assessment of laboratory […]

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March 3, 2021

Oil Overlay: Extremely Important but Often Ignored

An oil overlay plays an important role by stabilizing in vitro culture conditions of gametes and embryos in terms of temperature, pH and osmolality. Without the overlay, the medium evaporates quickly, even when growing in humid incubators. Mineral and paraffin oils are commonly used to overlay IVF media to maintain their stability throughout embryo culture, […]

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February 24, 2021

Create Fertility UK study shows that thaw, biopsy and refreeze with the Cryotop® Method is effective

Patients wishing to have PGT-A on previously cryopreserved embryos are currently limited from accessing this technique due to the requirement for refreezing of the embryos. Embryo cryopreservation techniques have, however, significantly improved in the recent years due the introduction of the vitrification method. Researchers from Create Fertility in UK have compared results obtained after traditional […]

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February 23, 2021

Kitazato Best Practice Recognition

This program recognizes those Kitazato Cryotop® Method users with outstanding cryopreservation programs and remarkable clinical results. The Best Practice Recognition is awarded annual, starting in 2021, through which Kitazato rewards its high-performing users, acknowledging their dedication and contribution to the field of assisted reproduction. Our main objective is to provide a vitrification method that allows […]

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January 20, 2021

Number of embryos or oocytes per Cryotop® does not influence cooling rates during vitrification

During Fertility 2021, an interesting poster was presented by researchers from Cardiff University and London Women’s Clinic. The number of oocytes or embryos to be loaded onto the Cryotop® and the spatial arrangement on the strip is often a matter or concern and debate among embryologists as these two issues may influence the cooling rate […]

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September 29, 2020

Basak Balaban Oocyte Cryopreservation Talk at TSFP Online Symposium

  Lab Director Basak Balaban from the American Hospital of Istanbul participated in the International Online Symposium on Fertility Preservation organized by the Turkish Society for Fertility Preservation. She highlighted in her talk “Oocyte Cryopreservation – Tips & Tricks to maximize the outcome” that higher rate of complete oocyte re-hydration and less severe ultrastructural alterations […]

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September 24, 2020

Efficiency and efficacy of vitrification in 35.654 sibling oocytes from donation cycles

Scientists from Eugin Spain have published the largest cohort study comparing reproductive outcomes of vitrified and fresh sibling donor oocytes to date. They have found that, when looking at the same number of oocytes available after warming as the number of fresh oocytes, reproductive results including live birth are comparable. This is a retrospective cohort […]

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September 16, 2020

Micro Tools and IVF Media Products Now Available in Europe

We are happy to announce that we have received the CE certification to begin supplying our European clients with a variety of new products including a range of micropipettes, IVF media and paraffin oil. Kitazato’s main objective is to help ART professionals achieve the best results possible with continuous innovation in our research centers and […]

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September 15, 2020

Dr. Fernando Bronet Talk at the RAHR Conference 2020

    The Russian Association of Human Reproduction’s 30th International Conference took place online this year, from the 8th to the 12th of September. One of the most remarkable talks was given by Dr. Fernando Bronet, Head of the IVF and PGD Laboratories at IVI Madrid (Spain): “Successful cryopreservation program: realization and implementation”   According […]

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July 21, 2020

Cryopreservation of oocytes and embryos in times of COVID-19

      Due to the health crisis we have been facing the recent months, we are aware of the changes this has supposed in the way in which fertility treatments have being carried out and also in the way of working in ART Clinics in general.   Cryopreservation has been a matter of concern […]

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July 1, 2020

Kitazato at ESHRE 36th Annual Meeting

  ESHRE is practicing social distancing this year, taking the 36th Annual Meeting online. Once again Kitazato is proud to be a part of one of the biggest events of the the year for human reproduction and embryology.   The event will take place from July 5th to July 8, 2020. Originally planned to be […]

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May 12, 2020

Safety of egg donation cycles with imported vitrified oocytes

A recent study published by L. Rienzi et al. in Human Reproduction Journal, shows that a relative number of imported donated vitrified oocytes are effective, efficient and safe; and ensure a reasonably good outcome in terms of balancing treatment costs with a thoughtful cycle management plan. Over time, the use of donated oocytes has become […]

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May 11, 2020

Oocyte vitrification does not increase aneuploidy rate in the resulted embryos

During UEARS 2020 in Cairo, an interesting Poster was presented “Effect of oocyte vitrification on embryos euploidy in patients who have embryos resulted from fresh and from frozen oocytes in two separate cycles.” Since oocyte vitrification has become a technique routinely perfomed in most of the IVF Clinics for fertility preservation and also for banking […]

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Blastocysts re-expansion association with implantation and clinical outcome

CARE Fertility Group presented the following Poster “Can blastocyst percentage of re-expansion after warming be used to predict implantation potential and live birth outcome?” at the Fertility Conference in Edinburgh from January 9th to 11th 2020. Thanks to the successful embryo development in in vitro culture, the number of blastocysts vitrified worldwide has increased greatly. […]

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March 31, 2020

Kitazato Successful Vitrification Q&A Series on Instagram Stories

Here at Kitazato, we are committed to helping you achieve the best survival results that the Cryotop® Method has to offer, so we are taking our training expertise digital. We are excited to announce our new question and answer series! These sessions will take place on Instagram Stories every Thursday at 12 pm CET now […]

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Oocyte vitrification for fertility preservation in women with endometriosis: an observational study

  The lower number of oocytes collected in surgically treated endometriosis patients impairs their reproductive prognosis, despite their young age.   The most relevant finding of a recent study by Cobo et al. is that for young patients with endometriosis (≤35 years of age) who wish to preserve fertility, it would not be advisable to […]

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March 20, 2020

Kitazato-Dibimed Information and Planning Regarding Coronavirus

Following the recent events related to the coronavirus COVID-19 and the recommendations issued by the local authorities, at Kitazato-Dibimed we are adopting the necessary measures to protect the health of our employees and partners, and at the same time guarantee the continuity of our regular business operations with customers and suppliers. To this end, we […]

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February 25, 2020

Embryo quality affects babies’ birthweight in FET cycles

Recent findings provide new insight into the relationship between embryo quality and neonatal outcomes by showing that poor-quality blastocyst transfer in associated with a decrease in singleton birthweight. A study published by Zhang et al. in Human Reproduction Journal, involved singleton live births born to 1.207 women undergoing frozen-thawed single blastocyst transfers and has shown […]

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February 6, 2020

Cryotop Vitrification Hands-On Workshop in cooperation with CARE Fertility

KITAZATO-DIBIMED, in cooperation with CARE Fertility, is pleased to announce an International Hands-On Workshop in Vitrification.

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January 15, 2020


Carmen Díez is our IVF Hero of the Month. She is an embryologist at IMER, the Institute of Reproductive Medicine (member of NEXTCLINICS), in Valencia.

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October 28, 2019


We had the pleasure to interview Mr Davor Štimac, Clinical Embryologist at the Maternity & Gynecology Outpatient Clinic Podobnik, in Zagreb, Croatia. Davor told us what motivated him to dedicate himself professionally to IVF and shared with us his views on the present and future of the Human Assisted Reproduction.

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August 5, 2019


Information on the new Echo Marking & Cork

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July 11, 2019


Thank you for sharing ESHRE 2019 with us!

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June 18, 2019


Because we know you like to fight against infertility looking sharp!

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April 26, 2019


Lodovico Parmegiani, universally known as “Lodo”, is the Lab Director at GynePro Medical Centers in Bologna, and also the founder and CEO of Nterilizer SRL.

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December 10, 2018


Dr Ana Cobo’s work had a huge impact in the field of cryobiology. We chatted with her about different topics of interest.

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October 4, 2018


Kitazato and Overture Life signed an agreement to commercialize a device that will allow automated cryopreservation exclusively with Kitazato vitrification media.

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August 1, 2018


Kitazato has re-designed its well-known Cryotop® to keep offering the best proven results in the market while enhancing the overall user experience.

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There exist anonymous people who strive, every day, to make other people’s dreams come true.

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June 1, 2018


A recent study conducted by PhD embryologist Damià Castelló, IVI-RMA and Embryotools confirms what we already knew: the Cryotop® SC is the most efficient closed system for vitrification.

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May 24, 2018


We are pleased to announce our collaboration with CARE Fertility Group and their Embryology Training Lab.

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May 21, 2018


Kitazato has re-designed its well-known Cryotop® to keep offering the best proven results in the market while enhancing the overall user experience.

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April 26, 2018


We are pleased to announce that SPECTRUN is our new and exclusive distributor in Brazil.

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July 11, 2017


  We wanted to thank all the IVF Heroes that stopped by our booth at ESHRE 2017. Thanks to the embryologists and thanks to the doctors; your work is an inspiration to us.   For those heroes interested in having their picture, we gathered some of them in the following link. We’ll be uploading more after […]

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June 14, 2017

Come to ESHRE and find the hero that lies in you!

Stop by our booth at the ESHRE Annual Meeting, we have a lot of surprises for you.

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June 1, 2017

Of Vitrification and PGS

A decade ago, Vitrification came to revolutionize the IVF; now it is time for the genetic techniques.

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April 5, 2017

Kitazato at ASPIRE 2017 – Kuala Lumpur, Mailaysia

We attended the 7th Congress of the Asia Pacific Initiative on Reproduction.

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February 27, 2017

Kitazato Hands-on Workshop at the United Arab Emirates 2017

Kitazato, together with Reprolab Supplies LLC, held a hands-on workshop.

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February 21, 2017

Animation The Cryotop® Method – Kitazato Vitrification

Check out our new video animation on vitrification: The Cryotop® Method.

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January 23, 2017

Discover the new Publications section in our website

We are happy to introduce a new whole section part of our website: the Publications section.

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January 11, 2017

Kitazato attends the 1st ASFP Meeting in Ho Chi Minh, Vietnam

Kitazato, together with INTESCO, held hands-on workshop and attended the 1st meeting held by Asian Society for Fertility Preservation (ASFP).

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November 22, 2016

Kitazato attends the TSRM Meeting in Antalya, Turkey

Kitazato attended together with ITM the Meeting of the Turkish Society of Reproductive Medicine.

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September 15, 2016

Hands-On Vitrification Workshop Upon Request

Kitazato will be holding Hands-On Vitrification Workshops in Valencia on a regular monthly basis during 2016.

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July 10, 2016

Kitazato at the ESHRE Annual Meeting

Our team attended the 32nd Annual Meeting of the European Society of Human Reproduction and Embryology (ESHRE) held in Helsinki.

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May 26, 2016

New Videos of the Cryotop® Vitrification and Thawing Protocol

Kitazato is pleased to present the new videos for its Vitrification and Thawing protocols. We hope you find it useful!

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May 11, 2016

Kitazato at ALPHA 2016 in Copenhaguen, Denmark

Our team attended the biennial ALPHA Conference in Copenhaguen, Denmark.

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April 21, 2016

Kitazato’s New Video Tutorial

This time we will show you how to properly store a Cryotop® into a LN tank and how to take it out.

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March 10, 2016

Pre-Congress Workshop ALPHA 2016

Kitazato will be holding a Pre-Congress Workshop

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February 15, 2016

New EC-PRO Master Available

Kitazato’s new Catheter highly visible under ultrasound

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February 14, 2016

New video available : ESHRE 2015

Different professionals gave us their opinion on Kitazato During ESHRE 2015, some of the most successful professionals in the IVF world gave us their opinion on our products and our quality results for life.

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November 5, 2015

Kitazato Cryotop Video Protocol / Oocytes

Demonstrative Video for Vitrification of Oocytes with Cryotop Method

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October 29, 2015

Launch of New Routine ET Catheters

Kitazato adds new Embryo Transfer Catheters with laser markings The Routine Embryo Transfer Catheters are designed with soft rounded tip to minimize trauma and easy hub for greater accuracy and control. Each catheter contains a formable guide to keep memory when giving shape and laser markings to measure the penetration to the uterus with confidence. […]

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September 8, 2015

Kitazato at ASRM 2015

Our staff was in Baltimore for the 2015 Annual Meeting It was great to meet so many people interested in our products during the ASRM 2015 Annual Meeting. Thanks for sharing with us your experiences, requests and concerns. Your feedback is the best way to keep improving our products. Looking forward to see you all […]

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September 7, 2015

Kitazato at EMBRYOLOGY ISAR 2015

Lecture and Workshop in India The EMBRYOLOGY ISAR 2015 has ended. We are proud to have received so many attendees to our Vitrification Hands-On Workshop. We want to thank the PhD embryologist Marcos Meseguer for his valuable presence and thank you all for your interest and your positive constributions that made this workshop an unforgettable […]

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August 14, 2015

Kitazato at the SBRA Congress

Our team was in Brazil for the 19th edition of the Congress There is always a warm welcome to Kitazato everytime we go to Brazil and we feel grateful for it. It has been a great experience attending the 19th Brasilian Congress of Assisted Reproduction as one of the exhibitior companies. We would like to […]

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July 30, 2015

Launch of New 4Fr Bulb Tip Supported ET Catheters

Kitazato adds a new diameter to its Supported ET Catheters range The Supported ET Catheters range has been increased with the addition of the new 4Fr Bulb Tip Catheter. Once again Kitazato updates its range of products to meet your needs and expectations, offering a catheter that features the same advantages than before but now […]

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June 10, 2015

Kitazato Workshop at EFA

Our team attended the Embryological Forum Austria The last Kitazato Cryotop Hands-On Workshop held in Salzburg this weekend was a great attendance success. The world-renowned PhD Embryologist Marcos Meseguer taught our method to more than 25 embryologists in the framework of the Embryological Forum Austria (EFA) organised by Dr. Thomas Ebner. Thank you all for […]

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June 3, 2015

Kitazato at the UARM Congress

Chemlab and Kitazato together in Ukraine It was really nice to be back in Ukraine. Our most sincere thank you to the amazing team of Chemlaborreactiv for hosting our visit to Odessa. And thank you all ukrainian IVF professionals for your warm welcome to our products. Already looking forward to be back!

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April 1, 2015

Kitazato at the RED LARA Congress

Our team attended the 12th Taller General We just came back from Lima and words are not enough to thank everyone who stopped by our stand to share with us their opinions, doubts and experiences. We are already working hard to give an answer to your requests. Looking forward to visit Latin America again. See […]

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February 3, 2015

CRYOTOP®-SC New Design

Kitazato redesigns its device for Closed Vitrification System Kitazato is pleased to present the new design of its Cryotop®-SC, now even more convenient and accesible thanks to the following features: – Cone-shaped strip junction to ease the insertion into thestraw cap – Wider straw cap entrance, tofacilitate the insertion ofthe CRYOTOP SC – Security-orientation mark […]

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November 21, 2013

Cryotop-SC results (closed system)

A randomized, prospective, clinical trial has been done to test the efficiency of Cryotop-SC The study was done on 370 recipients coming from 185 donnors vitrifying their oocytes with Cryotop-SC and another 185 donnors with conventional Cryotop. Oocytes vitrified with Cryotop-SC showed a survival rate of 87.3% (Cryotop was 91.7%) Fertilization, Pregnancy and Implantion rates […]

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