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Sperm freezing, also known as semen cryopreservation, is a process where a man’s sperm is collected, analyzed, and stored at extremely low temperatures for future use in fertility treatments. It is a safe and effective method for preserving male fertility.
Medical reasons: Before cancer treatment that may impair fertility
Surgical procedures: Prior to vasectomy or testicular surgery
Age or lifestyle: Delaying parenthood or high-risk occupations
Usually collected through masturbation at a clinic; in special cases, sperm can be retrieved surgically or from a home collection kit (if allowed).
The semen sample is tested for sperm count, motility, and morphology.
The sample is mixed with a cryoprotectant, which protects sperm cells during freezing.
The sample is frozen using a slow-freezing or vitrification process.
Sperm is stored in liquid nitrogen tanks at –196°C for long-term preservation.
Preserves fertility for men facing health risks or future infertility
Provides backup for fertility treatments
Allows sperm donation and future family planning
Minimally invasive and widely accessible procedure