Spermatozoa retrieved by electroejaculation: Should we prefer fresh or cryopreserved spermatozoa for intracytoplasmic sperm injection?
electroejaculation
fresh
frozen-thawed
intracytoplasmic sperm injection
pregnancy rate
Journal
Andrologia
ISSN: 1439-0272
Titre abrégé: Andrologia
Pays: Germany
ID NLM: 0423506
Informations de publication
Date de publication:
Oct 2020
Oct 2020
Historique:
received:
20
04
2020
revised:
05
05
2020
accepted:
07
05
2020
pubmed:
9
6
2020
medline:
22
6
2021
entrez:
9
6
2020
Statut:
ppublish
Résumé
We aim to evaluate our experience, comparing intracytoplasmic sperm injection (ICSI) outcomes of cycle using fresh versus thawed electroejaculated spermatozoa. All consecutive couples undergoing ICSI cycles using electroejaculated spermatozoa, during a 16-year period, were evaluated. Embryological/laboratory variables of the ICSI cycles were assessed and compared between those utilising fresh (fresh group) versus thawed (thawed group) electroejaculated spermatozoa. Fifty-seven couples were evaluated, 30 used a fresh electroejaculated spermatozoa in 55 ICSI cycles, while 27 used a thawed sperm sample in 41 ICSI cycles. There were no in-between group differences in the mean numbers of oocytes retrieved per oocyte retrieval nor the percentage of MII oocytes. The fresh group demonstrated significantly higher fertilisation (71.5% vs. 64.1%, respectively, p < .05), top-quality embryos (66.5% vs. 54.9%, respectively, p < .02), clinical pregnancy per transfer (41.3% and 21.2%, respectively, p < .05) and cumulative clinical pregnancy (58.2% vs. 26.8%, respectively, p < .001) rates, as compared to the thawed group. Independent of the source of spermatozoa used, no pregnancy was achieved following ICSI utilising immotile spermatozoa. In conclusion, ICSI cycles using ejaculated spermatozoa of patients suffering from neurologic or psychogenic anejaculation are reassuring. The use of fresh ejaculated spermatozoa retrieved on the day of the female spouse oocyte retrieval might improve outcome. Whenever a thawed electroejaculated spermatozoa yield no motile spermatozoa, emergency electroejaculation is mandatory.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e13671Informations de copyright
© 2020 Blackwell Verlag GmbH.
Références
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