A couple is considering permanent surgical contraception to avoid future pregnancies. Which of these is a limitation of this approach in the context of sexually transmitted diseases?
Does not prevent infections
Permanent surgical contraception means vasectomy in males, where the vas deferens is cut and tied, and tubectomy in females, where the fallopian tubes are blocked.
These procedures only stop sperm and ovum from meeting; they do not create any barrier over the genital surfaces, so pathogens such as HIV, syphilis and gonorrhoea can still pass during intercourse.
Only barrier methods like condoms cover the mucous surfaces and reduce the risk of sexually transmitted infections.
Hence, the key limitation of surgical sterilisation with respect to STDs is that it does not prevent infections.
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