Most types of infertility cannot be prevented. Excessive alcohol intake or the use of certain drugs may contribute to infertility and should be avoided in couples hoping to conceive. There is some evidence that high temperatures can make sperm inactive. Although this effect is only temporary, hot tubs and steam baths also should be avoided.
One obvious reason some men are infertile is that they have previously had a vasectomy. Although surgery to reverse this condition may be successful, men who are uncertain about whether they wish to father additional children should not have this procedure.
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