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First birth of a healthy infant following intra-cytoplasmic sperm injection using a new permeable cryoprotectant-free sperm vitrification protocol.
Cryobiology 2019 April
PURPOSE: The purpose of this study is to present the first birth of healthy infant born following ICSI using the new permeable cryoprotectant-free sperm vitrification protocol Easy-Sperm® .
PRINCIPAL RESULTS: A 39 years old woman and his 40 years old partner underwent egg donation treatment at IVF-Spain Alicante (Spain). Half of the mature oocytes obtained from a young and healthy donor were fertilized by ICSI, using slow-frozen spermatozoa and the other half with vitrified spermatozoa. A total of 5 blastocysts were obtained on day 5 (3 resulting from vitrified spermatozoa and 2 from frozen sperm). The best embryo, with AA quality (derived from one of the oocytes fertilized with vitrified sperm) was transferred. The woman conceived and, following a normal pregnancy, delivered a healthy boy.
CONCLUSIONS: To the best of our knowledge, this is the first case report of a successful pregnancy and delivery of a healthy infant from ICSI with permeable vitrified spermatozoa in an oocyte donation program with transfer on blastocyst stage.
PRINCIPAL RESULTS: A 39 years old woman and his 40 years old partner underwent egg donation treatment at IVF-Spain Alicante (Spain). Half of the mature oocytes obtained from a young and healthy donor were fertilized by ICSI, using slow-frozen spermatozoa and the other half with vitrified spermatozoa. A total of 5 blastocysts were obtained on day 5 (3 resulting from vitrified spermatozoa and 2 from frozen sperm). The best embryo, with AA quality (derived from one of the oocytes fertilized with vitrified sperm) was transferred. The woman conceived and, following a normal pregnancy, delivered a healthy boy.
CONCLUSIONS: To the best of our knowledge, this is the first case report of a successful pregnancy and delivery of a healthy infant from ICSI with permeable vitrified spermatozoa in an oocyte donation program with transfer on blastocyst stage.
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