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    19 weeks of twin IVF, welcome to you
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    Embryo development
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    ICSI second generationIVF technology
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    How does an embryo grow into a baby?
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    Can blastocyst biopsy damage embryos?
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    Abnormal sperm have head or tail defects.
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    Observe sperm motility
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    Detailed explanation of IVF process
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    Embryo developmentSee which baby is better
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