Multiple choice

Entry of sperm into the female reproductive tract is prevented by

  1. mechanical methods

  2. surgical methods

  3. hormonal methods

  4. all of these
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A Correct answer
Explanation

Mechanical barrier methods like condoms physically prevent sperm from entering the female reproductive tract. Surgical methods (sterilization) and hormonal methods (preventing ovulation) work through different mechanisms and don't primarily prevent sperm entry itself.

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