Corporate Site

Find out what makes us the world's largest and most experienced reproductive tissue bank

Busque Su Donante

Bienvenido a Criobanco de California. Encuentre su donante hoy!

For Sperm Donors

Apply to become a sperm donor and help make dreams come true

Find Your Egg Donor

Search for egg donors with frozen eggs available for immediate use

For Egg Donors

Become an egg donor and help give the gift of family

Newborn Stem Cells

Bank your baby's newborn stem cells with CBR

Fertility Preservation

Cryopreserve your fertility with sperm, egg, and embryo storage

Sibling Registry  

The choice to turn to reproductive services for help in your quest to conceive is an important decision whether as the sperm donor or the one undertaking artificial insemination and one that is certainly not made without careful consideration of all the factors involved. As a top sperm bank, California Cryobank's mission is to help our clients realize their dream in the safest, most prepared manner possible. Every step of the way, every part of the process is presented to our clients with experience behind it - with clarity and expert guidance.

It never escapes our notice that the end result of our many services is to help our clients conceive. There is no question that the children born of this donor insemination and further conception are in their parents' dreams many years prior to their arrival and are welcomed into their family with much gratitude and love. And we also understand that there will come a day when questions will be raised by these children or information about their conception will be shared by their parents at a time they deem to be appropriate. And, after receiving that information, children may have questions about their biological parentage or their potential siblings who may have been fathered by the same sperm donation through a sibling registry. Or, our clients may choose to connect their children immediately with their siblings so that they can be raised with the knowledge of their family.

In anticipating a child's need for information, as well as the desire of families to stay connected, we created the CCB Sibling Registry - allowing siblings and extended families to find each other. Participation in our program is completely optional and therefore does not offer a comprehensive list of potential siblings. But those who do choose to participate will have the resources available to them to find their biological siblings who are also in the program so that they may connect if they choose to do so.

Those who choose to enroll in the Sibling Registry will have access to information that includes the posting of births of potential siblings (whose family also chooses to enroll in the sibling registry), profiles and email contact information for potential siblings, and an online portal where siblings and families can communicate regarding sperm donors and the insemination that took place. Because this information is organized by donor number, families can find each other easily.

Please note that you must report your pregnancy or birth to California Cryobank in order to gain access to the Sibling Registry.  

At California Cryobank we are committed to the well-being and success of our clients. Our Sibling Registry is one more way for us to demonstrate that commitment from conception and beyond.

Please note: California Cryobank acquired USC/PTI (Procreative Technologies) in 1997. While we did not continue to sell their donors, we did retain some patient and donor files. If you have any questions about the USC/PTI donors, please contact Melonee Evans at 415-530-5523.  

Visit the California Cryobank Sibling Registry Site

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National averages range from 3-4 insemination cycles per successful pregnancy. We recommend purchasing at least 5 vials per child to guarantee your donor remains available until reaching your personal family goals. Additionally, you get 1 Year FREE storage if you purchase 4 or more vials ($475 value).


Our donors sell out and retire quickly! We have thousands of clients forced to choose between a new donor or not having a second child because they chose not to store vials for future use while they were available. To help you plan for your future, we offer 3 Years FREE storage if you purchase 3 Years+ vials ($1,050 value) - as well as the ability to sell back any unused vials that have not left our control.