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Tan Xiaojun
·Senior reproductive medicine expert
·Postdoctoral fellow at Peking University
·PhD candidate at Xiangya School of Medicine, Central South University
·Master’s tutor at Central South University
· Master's degree candidate in reproductive medicine at the University of South China
· Professional training at Huazhong University of Science and Technology and Tongji Hospital Reproductive Center
Expertise:
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.
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Embryo Transfer, Kyrgyzstan Tulip International Reproductive Center, Overseas IVF, Single Birth, Assisted Reproduction Institution, Cross border Assisted Reproduction, Kyrgyzstan Assisted Reproduction, Infertility in Older Women, Third Generation IVF, Overseas IVF, Lightning Protection, Single Surrogacy, Gay Surrogacy, Male Infertility, Infertility, Multiple Ovaries, POS Ovulation, No Ovulation
Date:
2025.08.22
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Science popularization of sperm freezing knowledge

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.


For fertility consultation in Kyrgyzstan, please contact your dedicated consultant

/Fertility Consultation /

Dr.Chan

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