African Journal of Reproductive Health

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Office microlaparoscopic intrafallopian transfer of day one zygote versus day three embryo transfer after previous failed ICSI trials

EM Siam


The objective of the study was to investigate whether transferring zygotes on day 1 would result in similar pregnancy rates compared to transferring cleavage stage embryos on day 3 in a prospective randomized trial, using the office microlaparoscopic procedure. Patients undergoing IVF/ICSI treatments were randomized to either day 1 or day 3 transfers after previous failed ICSI trials due to failed implantation. The primary outcome measure was pregnancy rate. Pregnancy rates were higher in day 3 group (55/131, 42%)
when compared to day 1 (34/123, 28%, P = 0.024). Similarly, implantation rates were higher in day 3 group (P= 0.03). There were more cycles with cryopreservation in the day 1 group (P < 0.001). Embryo quality on day 3 was similar between pattern 0 and nonpattern 0 zygotes. Day 3 embryo transfers result in better pregnancy and implantation rates compared to day 1 zygote transfers.

AJOL African Journals Online