Why Egg Freezing at 43 Is a Mistake? Avoid These Pitfalls Before Surrogacy in Mexico | POWER IVF Live
- lishujun
- Sep 9
- 2 min read

On the journey of fertility planning, many intended parents fall into common misconceptions, especially at an advanced maternal age. We once met a 43-year-old female client who froze her eggs in the United States and was preparing for third-party surrogacy. However, her entire process revealed a series of problems. Her experience not only reflects the limitations in understanding assisted reproductive technology but also highlights the importance of guidance from professional institutions.
Common Misconceptions in Fertility Planning for Older Women
Why is egg freezing not recommended for women over 40?
Many believe that freezing eggs preserves future fertility options. However, for women over 40, especially at 43, egg freezing carries little benefit. Even if eggs are frozen, thawing may not result in healthy embryos. During ovarian stimulation cycles in older women, only a portion of retrieved eggs are mature, and the probability of forming a blastocyst is already low. For example, the chance of a 43-year-old forming a blastocyst is around 30% to 40%.
Why is transferring embryos on Day 3 a mistake?
Embryo attrition rates in assisted reproduction are high, particularly in older patients. At 43, the abnormal embryo rate can reach 90%, and at 45, it may be as high as 99%. Therefore, culturing embryos to the blastocyst stage (Day 5) and performing PGT testing is a crucial step to select normal embryos. Directly transferring Day 3 embryos leads to low success rates and wastes both money and time.
How to Plan Fertility the Right Way
Prioritize embryo culture
As noted above, for women over 40, it is wiser to focus on embryo culture and aim for blastocyst development. Screening with PGT to identify normal embryos is key for successful IVF-PGT or surrogacy. If no viable embryos remain after culture and testing, alternative options such as egg donation should be considered early, rather than relying on high-risk, low-yield egg freezing.
Choose a professional medical team
A responsible medical team does more than follow instructions—they provide expert advice based on individual circumstances and medical logic. They will explain the pros and cons of each step, helping you understand which choices are meaningful and which could cause regret. Selecting a clinic that offers transparent, professional consultation is the first step toward success. POWER FERTILITY CLINIC understands your expectations and concerns, striving to provide comprehensive consultation and guidance with both expertise and care.
Power Fertility Center, a leading U.S.-Mexico fertility clinic, offers world-class IVF solutions through Power IVF. Strategically based with state-of-the-art labs, it provides comprehensive fertility preparation services—IVF, IUI, U.S. egg freezing, sex selection, egg donation, sperm donation, and surrogacy—open to all, including singles and LGBTQ families. Power IVF extends IVF-PGT treatments globally, from Japan to Argentina. Committed to excellence, its advanced equipment and compassionate experts launch Mexico’s Guarantee Program for live births, blending egg donation and surrogacy with round-the-clock support for your parenthood journey.




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