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diagnosis and treatment of infertility, first/second/third generation IVF (including
egg/sperm donation), microsperm retrieval, embryo freezing and resuscitation, artificial
insemination (including husband's sperm and sperm donation), paternity testing, chromosomal
disease
diagnosis, high-throughput gene sequencing, endometrial receptivity gene testing and other
clinical
technology applications. Many of these technologies are at the leading level both domestically
and
internationally.
Sperm freezing is an efficient and mature technology that provides reliable protection for men at risk of fertility impairment.
Applicable Population
Medical reasons: Male cancer patients who are about to undergo chemotherapy, radiation therapy, or testicular surgery. These treatments may permanently impair the spermatogenic function of the testes.
Surgical sperm extraction: Precious sperm obtained through testicular sperm extraction (TESE) or microsurgical epididymal sperm extraction (MESA) due to azoospermia and other reasons.
Personal choice: Men planning to undergo vasectomy, or men engaged in high-risk occupations such as military or firefighting.
Process and Application
Sperm is obtained through ejaculation or surgery, analyzed and processed in the laboratory, mixed with cryoprotectants, packaged and stored in liquid nitrogen for a long time. There are reports that sperm frozen for up to 28 years have successfully bred healthy offspring.
The thawed sperm can be used for intrauterine insemination (IUI) or in vitro fertilization intracytoplasmic sperm injection (IVF-ICSI) based on their quantity and quality. The success rate of IVF using frozen sperm is comparable to that of using fresh sperm of the same quality.
