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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.
How to choose fresh and frozen embryos in Bishkek Tulip Hospital, Kyrgyzstan IVF, fresh embryo transfer process, frozen embryo transfer process, IVF technology selection, embryo freezing technology, test tube transfer scheme selection, overseas test tube guide
How to choose fresh embryos and frozen embryos in Bishkek Tulip Hospital? Five key judgment points help you clear your path.
1. Definition: What is the essential difference between fresh embryos and frozen embryos?
In the process of in vitro fertilization (IVF), embryo transfer is mainly divided into two paths: fresh embryo transfer and frozen embryo transfer.
Fresh embryo transfer: refers to the direct transfer of newly cultivated embryos into the uterus within 3-5 days after egg retrieval.
Frozen embryo transfer: refers to the cryopreservation of embryos and transfer after thawing in subsequent cycles.
From the perspective of first principles, the essential difference lies in:
Whether to "complete the transplantation in the same cycle"
Medical research shows that the quality of the embryo itself is not the only determinant, and the endometrial state is as critical as the hormonal environment (source: ESHRE European Society for Human Reproduction and Embryology Consensus Guide).
Second, the process: What is the difference between the two paths?
Understanding the process is the first step in judging the choice.
1. Fresh embryo transfer process (completed in the same period)
The intima can be regulated independently during transplantation.
Common clinical trends:
In recent years, more and more centers have adopted the "Freeze-all strategy", and then transplanted in another time.
Third, technology: the key to the difference in success rate is not "fresh or frozen"
Many people intuitively think that:
"Fresh is better"
But from a technical point of view, this judgment is not entirely valid.
1. Development of embryo freezing technology
At present, Vitrification is the mainstream technology.
Frozen survival rate: usually more than 90% (source: ASRM American Reproductive Medicine Association data)
Has little effect on embryo structure.
2. The importance of uterine environment
Clinical data show that:
Excessive hormone levels (e.g. elevated E2)
Endometrial receptivity decreased after ovulation promotion.
These conditions are more common in the fresh embryo cycle.
The advantages of frozen embryo transfer are:
You can "artificially choose a more suitable time point for implantation"
3. The concept of cumulative pregnancy rate
Modern reproductive medicine pays more attention to:
Cumulative live birth rate (not single success rate)
Some studies show that:
The cumulative pregnancy rate of frozen embryo strategy is more stable in some populations (source: NEJM related research)
Fourth, the crowd: Who is more suitable for fresh embryos? Who is more suitable for frozen embryos?
This is the core of the decision.
People who prefer fresh embryo transfer
Young, eg under 35.
Ovarian reaction is normal
Hormone levels are stable.
Intima is in good condition
People who prefer frozen embryo transfer
High excretion-promoting reaction (such as polycystic tendency)
The hormone level is on the high side (E2 is obviously increased).
Thin or unsynchronized intima
Need PGT screening (chromosome screening)
Have a history of repeated failures
V. Q&A: Five key clinical problems
Q1: Are fresh embryos easier to succeed?
Not necessarily.
The success rate depends on embryo quality+uterine environment matching, not whether it is fresh or not.
Q2: Will frozen embryos affect your baby's health?
Current follow-up studies show that:
There is no significant difference between the overall health status of babies born with frozen embryos and natural pregnancy (source: Lancet related research)
Q3: Will frozen embryos damage embryos?
There are certain risks, but in the standard laboratory:
The survival rate is usually high and the damage probability is controllable.
Q4: Why did the doctor suggest "freezing all"?
Common reasons include:
Avoid the risk of ovarian hyperstimulation (OHSS)
Optimize uterine environment
Cooperate with PGT screening process
Q5: What does Bishkek Tulip Hospital generally suggest?
From the clinical experience:
It will be comprehensively evaluated according to hormone levels, intima, age and other factors.
There is no unified scheme for fixing "necessary fresh embryos or frozen embryos"
The essence is individualized medical decision-making
6. Summary: How to make a more rational choice?
After disassembling the problem, it can be summarized as one sentence:
It is not good for fresh embryos or frozen embryos, but "which way is more suitable for the current physical condition"
A simple decision framework can be use:
Look at the hormone level (whether it is too high)
Look at the endometrium (synchronous)
See if screening (PGT) is needed.
Look at the past failure history
See the overall physical recovery.
Summary:
"The key to test-tube transplantation is not speed, but timing. Choosing a plan that is more suitable for the physical condition is more important than blindly pursuing the cycle transplant. "
Common aliases:Kyrgyzstan Tulip Reproductive Center, Tulip IVF, Tulip Reproductive Center, Tulip Hospital, Kyrgyz Tulip Reproductive Center, Kyrgyz Tulip Hospital
