Dunsong Yang

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OBJECTIVE To document the first successful fertility preservation with freezing mature oocytes for a cancer patient. DESIGN Case report. SETTING Private IVF center. PATIENT(S) A woman with Hodgkin's disease and her gestational carrier. INTERVENTION(S) Metaphase II oocytes cryopreserved before cancer treatments were thawed and fertilized for transfer(More)
Objective: Our objective was to investigate whether the quality of embryos developed after intracytoplasmic sperm injection (ICSI) is better than that of conventional IVF embryos. Methods: Nine couples who previously achieved a normal rate of fertilization following IVF and four couples whose normal rate of fertilization was expected were involved in this(More)
BACKGROUND This study examined the primary effect of selected cryoprotective agents (CPAs) on the meiotic spindles of human oocytes during cooling. METHODS Fresh metaphase II oocytes (n=26) donated from patients undergoing IVF treatment were analyzed via Polscope. In experiment one, 16 oocytes with visible spindle at 37°C were cooled to 20°C and rewarmed(More)
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