Embryo quality

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Embryo quality is a crucial factor in fertility treatments and family planning. Dr. Natalie Crawford explains that the competency and genetics of the embryo play significant roles. For example, she discusses the success rates of single embryo transfers, noting a 65% chance of success with one genetically normal embryo, which increases cumulatively to 95% success after three transfers 1.

Andrew Huberman highlights the importance of understanding the language around "egg quality" and "sperm quality," acknowledging that these terms encompass various measurable factors like the number of motile sperm or the number of correctly shaped sperm 2. He also notes that the age of the eggs significantly impacts fecundability, with younger eggs having a higher success rate in achieving pregnancy 3.

Embryo Quality & Family Planning

Natalie discusses the importance of embryo quality in fertility treatments and the considerations for family planning. She explains the success rates of single embryo transfers and the cumulative probability of achieving pregnancy with multiple transfers. She also highlights the role of egg freezing and the benefits of knowing the number of embryos available for future family planning decisions.
Huberman Lab
Dr. Natalie Crawford: Female Hormone Health, Fertility & Vitality
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Advances in technology have improved the survival rates of frozen eggs and embryos, making options like egg freezing and IVF more viable. For instance, the survival rate of frozen eggs has increased to 90%, compared to 40% a decade ago 4. Moreover, new methods like three-parent IVF, although not legal in the US, are being explored abroad to address issues related to mitochondrial dysfunctions 5.

Additionally, nutrition and lifestyle choices, such as avoiding alcohol and ensuring adequate sleep, are critical for maintaining reproductive health and improving egg and sperm quality 6.

For more detailed insights, you might want to check episodes featuring Dr. Natalie Crawford, such as "Dr. Natalie Crawford: Female Hormone Health, Fertility & Vitality" on the podcast.

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