No. Required abstinence is 3 to 7 days.
Means more than 3 days and less than 7 days.
Never < 2 days, > 7 days- false positive results.
Not required according to guidelines.
Pre martial- get viral markers, blood group,
TSH, HPLC.( appreciated ur idea !!)
Precautions for semen testing- 2 to 7 days abstinence
Collect in a sterile container (provided by lab)
Make sure it won't spill out, if so take photo of the spill to show to lab technician.
give the sample with < 1 hr of collection.