ObjectiveThis study aimed to correlate male age with embryo morphokinetic parameters
on D3 considering the timing and the exact moment of embryo cleavage.MethodsTime-lapse imaging was used to produce an ideal cleavage curve for the
embryos analyzed. The percentage of embryos under the curve was analyzed and
correlated with male age.Results32.6% of the embryos from patients aged 28-33 years were under the curve;
36.2% of the embryos from patients aged 34-39 years were under the curve;
41.3% of the embryos from patients aged 40-45 years were under the curve;
and 26.3% of the embryos fro patients aged 46-57 years were under the
curve.Conclusionsa statistically non-significant decrease was observed in the percentage of
embryos under the optimal cleavage curve on D3 in the group of men aged
between 40 and 45 years. Further studies looking into embryos in the
blastocyst stage (D5 or D6) are required.
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