Journal of Reproduction & Infertility

Journal of Reproduction & Infertility

Using Fresh and Frozen Testicular Sperm Samples in Couples Undergoing ICSI-Micro TESE Treatment

Authors
Safak Tavukcuoglu 1
Tahani Al-Azawi 1
Safaa Al-Hassani 1
Amir Afshin Khaki 1
Arash Khaki 1
Seval Tasdemir 2
1 Reproductive Medicine Unit, University of Schleswig-Holstein, Lübeck, Germany
2 Fertijin IVF Center, Istanbul, Turkey
Abstract
Background: We performed this study to evaluate use of fresh and frozen sperm samples in non-obstructive azoospermia microdissection testicular sperm extraction (micro-TESE-ICSI) treatment. Methods: We performed a total of 82 consecutive in vitro fertilization (IVF) cycles at Fertijin IVF Center in Istanbul, Turkey from January 2010 to March 2012. In 43 participants we used fresh sperm and frozen sperm in the remaining 39 cases. We used fresh and frozen thawed micro surgical testicular sperm extraction (micro TESE) sperm for ICSI with metaphase II (MII) oocytes. Results: Frozen microTESE sperm was used in 39 cycles, while 43 ICSI cycles were performed using fresh microTESE. Neither the age of male partners (38.33±5.93 and 38.13±8.28) nor that of the female participants (33.16±6.38 and 33.33±6.97) showed significant difference between fresh versus the microTESE and frozen treatment groups, respectively. FSH concentrations were (14.66±13.93 mIU/ml) in fresh TESE group and (17.91±16.29 mIU/ml) in frozen group with no correlations or differences between the two groups. The average number of mature oocytes injected with sperm was 9.23±3.77, versus 9.26±5.26 in cycles using fresh and frozen microTESE sperm, respectively. Fertilization rate was not significantly different in the fresh microTESE (44.79%) than frozen TESE sperm group (46.76%). The average number of transferred embryos was 1.60±0.49 in fresh sperm group and 1.59±0.50 in frozen sperm group. All embryo transfers were performed on day 3. Conclusion: Cryopreservation of testicular sperm tissues is more suitable and of great benefite if carried out before ovulation induction and not after, especially in cases with non-obstructive azoospermia.
Keywords
In vitro fertilization
ICSI
Microsurgical testicular sperm extraction
Sperm
Sperm retrieval
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Journal of Reproduction & Infertility
Volume 14, Issue 2
Spring 2013
Pages 79-84