This trial has been completed.

Condition semen quality
Treatments 2-7 days of sexual abstinence, 2 hours of sexual abstinence
Sponsor Aalborg University
Collaborator Aalborg Universitetshospital
Start date April 2014
End date November 2016
Trial size 43 participants
Trial identifier NCT02667080, N-20140023


The main purpose of the study is to assess to which degree a series of sperm parameters known to be associated with fertilization and implantation potential in artificial reproductive technology (ART) differ in consecutive sperm samples produced after 2-7 days and 2 hours of sexual abstinence in males from couples referring for ART treatment.

United States No locations recruiting
Other countries No locations recruiting

Study Design

Allocation non-randomized
Intervention model single group assignment
Primary purpose basic science
Masking no masking
(Active Comparator)
Semen sample after 2-7 days of sexual abstinence
2-7 days of sexual abstinence
2-7 days of Sexual abstinence
(Active Comparator)
Semen sample after 2 hours of sexual abstinence
2 hours of sexual abstinence
2 hours of sexual abstinence

Primary Outcomes

Routine semen quality assessment
time frame: After liquefaction (30-35 minutes after ejaculation)

Secondary Outcomes

Outcome of ART treatments
time frame: up to one year after the sampling

Eligibility Criteria

Male participants from 18 years up to 50 years old.

Inclusion Criteria: - male age between 18 and 50 - able to understand and read Danish Exclusion Criteria: - complete azospermia - significant psychological illness - significant cardiovascular disease

Additional Information

Official title Parameters of Sperm Quality in Consecutive Sperm Samples From Males Partners of Couples Seeking Treatment for Infertility
Principal investigator Hiva Alipour, D.V.M.
Trial information was received from ClinicalTrials.gov and was last updated in January 2017.
Information provided to ClinicalTrials.gov by Aalborg University.