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  • Title: [Intracytoplasmic injection and embryo quality: comparison with conventional in vitro fertilization].
    Author: Terriou P, Giorgetti C, Hans E, Spach JL, Salzmann J, Billé V, Roulier R.
    Journal: Contracept Fertil Sex; 1995; 23(7-8):471-3. PubMed ID: 7550563.
    Abstract:
    We report here the results of a study comparing the quality of the embryos obtained after conventional IVF and after ICSI (respectively 872 and 459 embryos for 184 and 108 cycles). In the ICSI group, the female age was lower than in the IVF group, the oestradiol level on the day of hCG injection was higher, so that the number of retrieved oocytes and the number of mature oocytes. The policy of transfer being the same in the two groups, the mean number of transferred embryos was identical. The percentage of embryos without anucleate fragments, the percentage of embryos without irregularities, the percentage of 1, 2, 3, 4 or 5-cell embryos and the distribution of embryos in the 5 embryo scores were similar. In both IVF and ICSI groups, the transfer score (sum of the embryo scores of each transferred embryo) was higher for the patients who achieved pregnancy.
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