Treatment

Sperm/ Ovum/ Embryo Freezing

Sperm, ovum (eggs), and embryo freezing, also known as cryopreservation, involves freezing reproductive cells or early embryos for later use, preserving fertility for various reasons, including medical treatments or personal choices. 

Here's a more detailed explanation:

What is Cryopreservation?

• Purpose:

  Cryopreservation, or freezing, allows individuals to preserve their fertility by storing eggs, sperm, or embryos at extremely low temperatures (using liquid nitrogen) for later use. 

• Why Choose It?

  • Medical Reasons: To preserve fertility before cancer treatment or other medical procedures that could damage reproductive cells. 
  • Personal Reasons: To delay childbearing, have more options for family planning, or for individuals undergoing hormone therapy or gender affirmation surgery. 
  • Sperm Freezing: Can benefit men with fertility issues or those facing treatments that could affect sperm quality. 
  • Egg/Embryo Freezing: Allows women to preserve their eggs (or embryos) for later use, potentially increasing their chances of pregnancy later in life. 

• How it Works:

  • Sperm Freezing: Semen samples are collected, analyzed, and then frozen using cryoprotectants to prevent ice crystal formation during freezing. 
  • Egg Freezing: Eggs are retrieved from the ovaries, and then frozen using a rapid freezing method (vitrification) to minimize damage. 
  • Embryo Freezing: Fertilized eggs (embryos) are created through IVF, and then frozen for later use, often after preimplantation genetic testing (PGT). 

• Storage:

  Frozen sperm, eggs, or embryos are stored indefinitely in liquid nitrogen tanks until they are needed. 

• Thawing and Use:

  When needed, the frozen cells are thawed, and sperm can be used for intrauterine insemination (IUI) or in vitro fertilization (IVF), while eggs and embryos are used during IVF procedures. 

Benefits of Cryopreservation:

• Preserves Fertility:

  Allows individuals to delay childbearing or have options for future family planning. 

• Increased Options:

  Provides flexibility and control over family planning decisions. 

• Medical Advantages:

  Protects fertility during medical treatments or procedures that could otherwise cause infertility. 

• Indefinite Storage:

  Cryopreserved cells can be stored for extended periods, potentially indefinitely. 

• Freezing Embryos | Johns Hopkins Medicine

  The procedure involves removing eggs from the ovaries, fertilizing them to create embryos, letting them grow for several days and ...

   

  Johns Hopkins Medicine

• Cryopreservation - Loma Linda University Center for Fertility & IVF

  What is cryopreservation? ... Cryopreservation is the process of freezing eggs, sperm or embryos to sub-zero temperatures for late...

   

  Loma Linda University Center for Fertility & IVF

• Embryo Freezing (Cryopreservation): Purpose & Results

  Embryo freezing, or cryopreservation, is a process that freezes and stores fertilized eggs for later use. It can help people prese...

   

   

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