Chieko Yano

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To compare effectiveness of two different chemical zona thinning techniques. We studied 163 patients who had experienced IVF or ICSI failures in two or more cycles. Patients were assigned to one of three groups: zona intact (n = 72), partial thinning (n = 59), or circumferential thinning (n = 73). Before transfer, the zonae pellucidae of embryos were(More)
Few cases have been reported in which the aspiration of a single follicle led to the recovery of two conjoined oocytes surrounded by a single zona pellucida. This report describes a successful embryo transfer with subsequent live birth derived from conjoined oocytes, and a later pair of conjoined oocytes in the same patient. After oocyte retrieval from a(More)
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