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.
Recent news about “giving birth at 47” and “getting pregnant at 50” has frequently trended online. While many see these stories as inspirational, they overlook the underlying medical logic.

First Principle: Fertility fundamentally depends on egg quality.
A woman's egg count is determined at birth. With age, not only does the quantity diminish, but more critically—the rate of chromosomal abnormalities significantly increases.
I. Natural Fertility Probability by Age Group
Under 30: Relatively stable natural conception rate
After 35: Fertility begins to decline noticeably
Over 40: Natural pregnancy success rate drops substantially
Over 45: Natural conception probability approaches the “extremely low threshold” in medical statistics
Menstruation does not guarantee fertility. It merely indicates endocrine cycle activity, not normal egg quality.
II. Why Does Risk Increase with Age?
Egg aging → Higher rate of chromosomal abnormalities
Increased miscarriage rate
Heightened risk of pregnancy complications (hypertension, glucose metabolism disorders, etc.)
Statistically, miscarriage rates after natural conception in women over 40 can exceed 30–40%.
III. Can IVF Solve Advanced Maternal Age Issues?
The core logic of IVF is:
Obtaining more eggs through ovarian stimulation
Laboratory screening for high-quality embryos
Increasing single-cycle transfer success rates
However, it must be objectively stated: IVF cannot reverse egg aging.
For older women, success rates depend primarily on ovarian reserve and egg quality.
IV. Advantages and Risk Assessment
Option Advantages Risks
Natural Attempt Low cost Time-consuming, high failure rate
IVF Assistance Increased single-cycle success rate High cost, physical burden
Egg Donation Higher success rate Ethical and legal considerations require evaluation
Conclusion: Advanced maternal age pregnancy is not impossible, but it is certainly not a “one-size-fits-all” solution.
For fertility consultation in Kyrgyzstan, please contact your dedicated consultant
/Fertility Consultation /
Dr.Chan
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