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NCBI Bookshelf. Hyaluronan-based sperm selection did not increase live birth rates for women receiving intracytoplasmic sperm injection-based assisted reproductive treatment. The main clinical objective was to determine the benefits of a hyaluronan HA -based sperm selection process for physiological intracytoplasmic sperm injection PICSI. A parallel, mechanistic objective evaluated sperm chromatin integrity and the potential of PICSI to compensate for poor sperm quality. Mechanistic work was conducted in three university-based research laboratories and a partnering small—medium enterprise from June to December Couples undergoing an ICSI procedure using freshly ejaculated sperm with female partners aged between 18 and 43 years and male partners aged between 18 and 55 years.
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The incredible hunch that told me I'd met my sperm donor father

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Slow sperm may fail at crashing ‘gates’ on their way to an egg | Science News

I knew this could be the moment when two years of increasingly desperate searching for my father came to an end. I'd braced myself for yet more bad news, so when I read the words " Danielle as a little girl: She was devastated when Darrell, who she'd always believed was her father, virtually disappeared from her life. When she nodded, I started crying uncontrollably. I rushed home, still feeling like an emotional wreck, but utterly euphoric and determined to phone all my friends to tell them that at last I knew who I was, and where I came from. As a child, I always believed a man called Darrell was my real dad. His name was on my birth certificate, just as it was on my older brother Adam's and my sister Kristy's.
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CARE Fertility Tunbridge Wells

By Aimee Cunningham. February 13, at pm. The female reproductive tract is an obstacle course that favors agile sperm. Narrow straits in parts of the tract act like gates, helping prevent slower-swimming sperm from ever reaching an egg, a study suggests.
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Backed by over 30 years of pioneering fertility treatments from the CARE Fertility Group, our Tunbridge Wells location has the expertise and support to assist you on your fertility journey. Whether you've previously tried IVF or are considering fertility treatment for the first time, we offer a range of world-class tests, treatments, and procedures that allow us to design a bespoke care package for your needs. New patient enquiries:
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