O-181. Decreased frequency of chromosomal abnormalities in spontaneous abortions from in-vitro fertilization pregnancies: a prospective, controlled, ongoing study

Are the new microfertilization techniques associated with an increased genetic risk to the offspring?

“…It seems that the embryologist is actually slightly better in selecting an optimal embryo than nature itself. In a recent retrospective study by Asch et al (18), it was shown that the aneuploidy rate in spontaneous abortion material from IVF pregnancies was in fact significantly lower than that of naturally occurring pregnancies, and of pregnancies established after intrauterine insemination following gonadotrophic stimulation.…”