I've been researching the effectiveness of condoms, and as most individuals know, they have a failure rate of about 1-2% even with perfect use and no breaks or slips. My question is: what is contributing to the failure even if it is used perfectly? A defect during manufacturing? Condoms are water tight, so if water molecules cannot pass through, and viral particles cannot either, how could sperm cells possibly slip through as well? I'm beginning to think that the failure rate is merely a result of a sporadic case of improper use, not a defect during manufacturing or the fictional "small holes" present within condoms.
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