Paternal age has increased dramatically in the US in the past 40 years, and the trend seems to be continuing…
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Slow Freeze vs Microfreeze
The successful freezing and thawing of reproductive tissue first occurred in the 1950s. The method implemented then, which we now refer to as ‘slow freezing’, is still utilized in every reproductive laboratory today. The method combines 2 protective aspects, which work together to prevent the formation of ice crystals inside the cells: adding a cryoprotective …
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