Pulling two threads together, years ago in southern Iran, before DIY
pregnancy tests were thought of, we used to pop outdoors in the evening and
find a male frog (they were instantly recognisable by having more pointed
noses than females), inject it subdermally with urine, pipette some urine
from the cloaca I forget how long later and pop it under the microscope to
see the spermatozoa swimming about or not.
Senior Lurker.
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