Is the sperm survival rate high?
Hello, doctor.
I would like to ask you about a situation.
If my hand has come into contact with semen and I wiped it clean with a tissue but did not wash it with water, is there a chance of pregnancy if I then touch the vaginal area with that hand using a clean tissue? I am a bit worried about the possibility of sperm remaining on my hand and being transferred through the tissue, leading to indirect pregnancy.
To put it simply, after helping a man ejaculate with my hand, I did not wash my hands and then went to the bathroom.
After wiping the urethral opening with a tissue, I suddenly remembered this concern because I have seen news stories about virgins becoming pregnant from using public facilities.
My ovulation period has just passed, and I am a bit anxious about that tiny possibility...
Sandy, 10~19 year old female. Ask Date: 2016/01/03
Dr. Lü Lizheng reply Obstetrics and Gynecology
The probability of a response is very low, please rest assured.
Sincerely, Dr.
Li-Cheng Lu, Taoyuan Hospital.
Reply Date: 2016/01/03
More Info
The concern about the possibility of pregnancy from sperm on hands or through indirect contact is a common question, especially among those who are sexually active. To address your question, it is important to understand the biology of sperm and the conditions necessary for pregnancy to occur.
First, sperm must be deposited in a way that allows it to reach the egg. This typically happens through vaginal intercourse, where semen is ejaculated directly into the vagina. Sperm can survive in the female reproductive tract for several days, which is why timing in relation to ovulation is crucial for conception. However, sperm does not survive long outside the body. Once sperm is exposed to air, it begins to die quickly, and its viability decreases significantly.
In your scenario, if you touched sperm with your hands and then used a tissue to wipe your hands without washing them with soap and water, the risk of pregnancy remains extremely low. While it is true that pre-ejaculate fluid (the fluid that can be released before ejaculation) may contain some sperm, the amount is typically very small. Additionally, the act of touching a tissue and then touching the vaginal area does not create a conducive environment for sperm to travel and fertilize an egg.
Moreover, the concern about using public facilities and the possibility of pregnancy from indirect contact is largely unfounded. The conditions required for sperm to remain viable and capable of fertilizing an egg are not present in such scenarios. Sperm needs a specific environment, including warmth and moisture, to survive, which is not provided by a dry tissue or the air.
Regarding your specific question about the risk of pregnancy after touching sperm and then using a tissue to wipe the vaginal area, the likelihood is negligible. The sperm would have to be in a sufficient quantity and in a viable state to cause pregnancy, which is unlikely given the circumstances you described.
In summary, while it is always good to be cautious and aware of sexual health, the scenario you presented does not pose a significant risk for pregnancy. If you are still concerned about potential pregnancy or sexually transmitted infections (STIs), it is advisable to consult with a healthcare provider for personalized advice and to discuss contraceptive options that can help prevent unintended pregnancies in the future. Regular communication with your partner about sexual health and safe practices is also essential for maintaining a healthy relationship.
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