Blocking the vas deferens in males prevents the transfer of sperm, while blocking the fallopian tube in females prevents the egg from reaching the uterus. In both cases, fertilization is prevented, offering a method of contraception.
How can blocking the vas deferens in males or the fallopian tube in females prevent pregnancy?
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Blocking the vas deferens in males or the fallopian tubes in females prevents pregnancy by obstructing the pathway for sperm to reach the egg or for the egg to travel to the uterus, thereby preventing fertilization. In males, a vasectomy involves blocking or sealing the vas deferens, preventing the release of sperm during ejaculation. In females, various methods, such as tubal ligation or tubal implants, block or seal the fallopian tubes, hindering the meeting of sperm and egg. These procedures ensure that sperm and egg cannot unite, effectively acting as a barrier to conception and providing a permanent or long-term contraceptive solution.