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Hace 8 horas · a lack of sperm – you may have a very low sperm count or no sperm at all. sperm that aren't moving properly – this will make it harder for sperm to swim to the egg. abnormal sperm – sperm ...
Hace 8 horas · Women menstruating were on average 10 milliseconds (12 per cent) more accurate in the moving balls task, and pressed the space bar at the wrong time 25 per cent less in the inhibition task.
