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Effect of COVID-19 mRNA Vaccine on Semen Parameters

Not Applicable
Conditions
Male infertility
Registration Number
JPRN-UMIN000044332
Lead Sponsor
Reproduction Clinic Osaka
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Complete: follow-up continuing
Sex
Male
Target Recruitment
20
Inclusion Criteria

Not provided

Exclusion Criteria

1.Taking medications that would interfere with semen analysis parameters. 2.History of COVID-19 infection at the time of enrollment. 3.Not eligible to receive COVID-19 mRNA vaccination due to health factors.

Study & Design

Study Type
Observational
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Semen Analysis Time Frame: 1)Before the first mRNA COVID-19 vaccine (2 times) 2)2 weeks after the first COVID-19 vaccine (2 times) 3) 2 weeks after the second COVID-19 vaccine (2 times) 4) 4 weeks after the second COVID-19 vaccine (2 times) * 2 days of abstinence period before semen collection
Secondary Outcome Measures
NameTimeMethod
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