assisted fertilization造句

• Conclusion the results of present study indicated that chromosome abnormality is one of the frequent genetic causes for male infertility, suggesting that it is essential to screen chromosome abnormality during diagnosis of male infertility as well as before in vitro assisted fertilization by intracytoplamic injection
  结论染色体异常是男性不育的一个常见遗传病因，在男性不育的诊断和卵细胞浆内单精子注射受精治疗前，对染色体的异常进行筛查十分必要。