COMPARATIVE STUDY
JOURNAL ARTICLE

[Y-chromosome microdeletions do not affect the outcomes of ICSI for infertile males]

Wei Wu, Zuo-Ming Zhou, Min Lin, Yun-Dong Mao, Wei Wang, Xiao-Yu Yang, Jia-Yin Liu
Zhonghua Nan Ke Xue, National Journal of Andrology 2011, 17 (9): 771-4
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OBJECTIVE: To compare the outcomes of intracytoplasmic sperm injection (ICSI) for infertile males with Y-chromosome microdeletions and for those with azoospermia or severe oligospermia but without Y-chromosome microdeletions.

METHODS: We retrospectively analyzed 56 cycles of ICSI for 48 infertile cases with Y microdeletions (Group A) and 94 cycles for 90 cases with azoospermia or severe oligospermia but without Y-chromosome microdeletions (Group B) during the same period. We compared the two groups in the females' age, duration of infertility, males' age, number of oocytes retrieved, number of ICSI oocytes, fertilization rate, good embryo rate, number of embryos transferred, implantation rate, clinical pregnancy rate, abortion rate, live birth rate and babies' sexes.

RESULTS: There were no significant differences between Groups A and B in the females' age, duration of infertility, males' age, number of oocytes retrieved, number of ICSI oocytes and number of embryos transferred (P > 0.05), nor in the rates of fertilization (69.0% vs 73.2%), good embryos (53.3% vs 48.7%), implantation (24.0% vs 30.3%), biochemical pregnancy (41.1% vs 44.7%), clinical pregnancy (37.5% vs 35.1%), early abortion (4.8% vs 6.1%) and live birth (35.7% vs 29.2%) (P > 0.05).

CONCLUSION: Y-chromosome microdeletions do not affect the outcomes of ICSI. The affected couples should be informed of the necessity of prenatal genetic diagnosis before embryo implantation and the inevitability of vertical transmission to male offspring.

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