title: Selecting cryopreserved semen for assisted reproductive techniques based on the level of sperm nuclear DNA fragmentation resulted in pregnancy.
abstract: A cryopreserved sperm sample with a low level of DNA fragmentation was used for intracytoplasmic sperm injection and resulted in a twin birth from a couple with a 10-year history of idiopathic infertility.
authors.forename: Juan G
authors.initials: JG
authors.lastname: Alvarez
authors.forename: Mario
authors.initials: M
authors.lastname: Ollero
authors.forename: Kjersten L
authors.initials: KL
authors.lastname: Larson-Cook
authors.forename: Donald P
authors.initials: DP
authors.lastname: Evenson
mesh_terms: D002467:Cell Nucleus / Q000502:physiology; D015925:Cryopreservation; D053938:DNA Fragmentation; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D027724:Reproductive Techniques, Assisted; D012661:Semen; D013094:Spermatozoa / Q000502:physiology*