Preserve Your Future with Cryopreservation Treatment in Kolkata at PHS Fertility
Cryopreservation treatment in Kolkata is well-known for its popularity and success rate. Our improved method enables you the ultimate control and freedom as regards your family planning. At PHS Fertility Clinic, we make science work for your future.

A Vision for Excellence
Founder and Managing Director Dr Prajnanika Gurung, MBBS (Gold Medalist), MD (OBG), AIIMS, New Delhi, is one of the nation’s most successful IVF specialists. PHS Fertility IVF & WOMENCARE fulfils her lifelong dream of establishing an IVF and fertility treatment facility dedicated to providing holistic and empathetic care for all.
Patient Testimonials
Your Love Means Everything to Us




Discover the Benefits of Cryopreservation
Take the first step today and see how the best embryo freezing cryopreservation in Kolkata can transform your family planning journey.
Our Cryopreservation Step-by-Step Process
We make the entire procedure a stress-free one-stop shop, even though it is extremely complex. Our top cryopreservation services in Kolkata help you at every stage, preventing you from becoming anxious or frustrated.
Initial Consultation
- Discuss your reproductive goals and medical history with one of our fertility specialists.
- Receive tailored advice and an overview of the cryopreservation process.
Ovarian Stimulation
- If freezing your eggs, you’ll undergo ovarian stimulation to produce multiple eggs.
- This involves hormone injections and monitoring through blood tests and ultrasounds.
Sperm Collection and Preparation
- Sperm is collected from your partner or a donor.
- The sample is analysed and processed to identify the most viable sperm for freezing.
Egg Retrieval and Freezing
- A minor procedure is performed under sedation to retrieve the matured eggs.
- The eggs are then frozen using a rapid freezing technique called vitrification.
Embryo Creation and Freezing
- Eggs and sperm are combined through IVF to create embryos.
- The healthiest embryos are selected and frozen using vitrification.
Storage and Monitoring
- Your eggs, sperm, or embryos are securely stored in our state-of-the-art cryopreservation facility.
- Regular quality checks ensure the safety and viability of your preserved specimens.
Future Family Planning
When you are ready to use your cryopreserved eggs, sperm, or embryos, they will be carefully thawed and prepared for fertility treatment. You will receive support and guidance throughout this exciting journey towards parenthood.
Understanding cryopreservation empowers you to make informed decisions about your reproductive future. Working closely with our fertility specialists, you can preserve your fertility and plan your family with confidence.
Find out more about the Cryopreservation Process and Cost

Reasons to Choose PHS Fertility Clinic
for Cryopreservation
Expertise and Experience
Our fertility specialists have extensive experience in ICSI and other advanced reproductive technologies, maximising your chances of success.
State-of-the-Art Facilities
PHS Fertility Clinic is equipped with advanced technology to ensure optimal conditions for egg retrieval, sperm injection, and embryo transfer.
Personalised Care
We tailor our treatment plan to your specific needs and preferences. From initial consultation to post-transfer support, you'll receive personalised attention throughout your journey.
Comprehensive Support
We offer emotional support, guidance on optimising your fertility, and connections to fertility counselling if desired.
Transparent Communication
We prioritise clear communication, ensuring you're well-informed throughout the entire process.
Frequently Asked Questions
Everything you need to know
What is the process of cryopreservation?
Cryopreservation or cryoconservation is the technique of freezing biological materials, like cells, tissues, or organs, to maintain them over extended periods.
At what temperature is cryopreservation done?
The preservation of biological substances at sub-freezing conditions, only below -80°C and -140°C, is known as cryopreservation.
What is the success rate of cryopreservation of embryos?
As per studies, the collective clinical pregnancy rate per patient with cryopreserved embryos is 35.6% and the cumulative rate of live birth is 34.6%.
At what age can you freeze an embryo?
When an embryo is a single cell, two to eight cells, or later in development (known as the blastocyst stage), it can be frozen at any point in its development.
What types of cryopreservation services does PHS Fertility offer?
At PHS Fertility, we provide:
- Egg Freezing: For women who wish to preserve their fertility.
- Sperm Freezing: For men who want to store sperm for future use.
- Embryo Freezing: For couples undergoing IVF, allowing them to preserve unused embryos.
- Ovarian and Testicular Tissue Freezing: For special medical cases, including cancer treatments.
Who should consider cryopreservation?
Cryopreservation is ideal for:
- Individuals delaying parenthood for personal or medical reasons.
- Cancer patients undergoing treatments like chemotherapy or radiation.
- Couples undergoing IVF who wish to store excess embryos.
- Men or women at risk of losing fertility due to medical conditions or surgeries.
How long can eggs, sperm, or embryos be stored?
Cryopreserved samples can be stored indefinitely as long as the storage facility maintains proper conditions. However, the recommended duration may vary depending on individual circumstances and regulations.
Does cryopreservation affect the quality of eggs, sperm, or embryos?
No, modern vitrification techniques ensure that the quality and viability of eggs, sperm, or embryos remain unaffected during freezing and thawing.
How do I prepare for cryopreservation?
Preparation involves:
- Medical consultation and fertility evaluation.
- Following recommendations for hormone stimulation (for egg freezing).
- Abstaining from certain medications or activities if advised by your doctor.
Can I use my cryopreserved samples for future IVF cycles?
Yes, cryopreserved eggs, sperm, or embryos can be thawed and used for future IVF cycles or fertility treatments whenever you’re ready to conceive.