Journal of Zhejiang University. Science. B
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J Zhejiang Univ Sci B · Jan 2014
Comparative StudyIs there a difference in cognitive development between preschool singletons and twins born after intracytoplasmic sperm injection or in vitro fertilization?
To explore whether there exist differences in cognitive development between singletons and twins born after in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI). ⋯ Compared to the full-term singletons born after IVF, the full-term twins have lower cognitive development. The cognitive development of full-term singletons and twins born after ICSI did not show any significant differences. For all pre-term offspring, singletons and twins born after IVF or ICSI, the results of the cognitive development showed no significant differences.