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Can Precum Survive In The Mouth And Be Transmitted Via Kissing Or Oral Sex To Cause Pregnancy?
I know this is very unlikely but still want second opinion since I m paranoid I was wondering what are the chances of pregnancy if I gave bf oral he didn t finish so just precum was left in my mouth he then kisses me but then I drink water so does he and finally 40min to an 1hr later he gives me oral could and precum survive that long and transfer mouth from mouth to vagina
posted on
Tue, 1 Aug 2023
Medically reviewed by
Ask A Doctor - 24x7 Medical Review Team
Tue, 25 Nov 2025
Answered on
Tue, 2 Dec 2025
Last reviewed on
Hello,
No, sperm cannot survive the conditions of the mouth and still be viable to cause a pregnancy. Saliva rapidly inactivates sperm within minutes by its enzymes and dead sperms means zero chance of pregnancy. There is truly zero percent chances of pregnancy in this scenario scientifically.
Take care. Hope I have answered your question. Let me know if I can assist you further.
Regards,
Dr. Ashay Patil, Urologist
No, sperm cannot survive the conditions of the mouth and still be viable to cause a pregnancy. Saliva rapidly inactivates sperm within minutes by its enzymes and dead sperms means zero chance of pregnancy. There is truly zero percent chances of pregnancy in this scenario scientifically.
Take care. Hope I have answered your question. Let me know if I can assist you further.
Regards,
Dr. Ashay Patil, Urologist
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