One problem associated with reversing male sterilization is the possible development of antisperm antibodies.

Question

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When the male undergoes a vasectomy, his body produces antibodies against his own sperm. If he later decides to reverse the procedure, his sperm may still be recognized as foreign by his immune system, leading to the possible development of antisperm antibodies. This can decrease the ability of sperm to fertilize an egg and decrease the chances of a successful pregnancy.

One Problem Associated with Reversing Male Sterilization Is the Possible