Pregnancy Risks: Can Friction and Pre-Ejaculate Cause Conception?

Probability of Pregnancy

Hello Doctor, my boyfriend rubbed his glans against my vagina the day before my ovulation period, and there was pre-ejaculate fluid, but he did not penetrate; he only rubbed against the vagina and did not ejaculate.
What is the likelihood of pregnancy in this scenario? Additionally, the day after ovulation, my boyfriend ejaculated and did not clean himself properly for about an hour.
He then touched himself and was unsure if he had any fluid on his fingers when he touched my vagina.
What is the likelihood of pregnancy in this case?

Ali, 10~19 year old female. Ask Date: 2019/04/10

Dr. Huang Jianzhong reply Obstetrics and Gynecology

The probability of pregnancy is nearly zero if your boyfriend rubbed his glans against your vagina the day before ovulation, and there was no penetration or ejaculation.

Regarding the situation the day after ovulation, if your boyfriend ejaculated and then touched himself before touching your vagina without knowing if any semen was transferred, the probability of pregnancy is still nearly zero.

Reply Date: 2019/04/10

More Info

Understanding the risks of conception during sexual activity is crucial, especially when considering the nuances of different forms of sexual contact. In your case, you described a situation where there was no penetration, but there was friction and the presence of pre-ejaculate fluid (also known as pre-cum).
Pre-ejaculate fluid can contain sperm, although typically in much lower concentrations than ejaculate. The risk of pregnancy from activities such as rubbing or grinding, where there is no direct penetration, is generally considered to be low, but it is not zero. If the pre-ejaculate fluid comes into contact with the vaginal canal, there is a possibility, albeit small, that sperm could enter and lead to conception, especially if this occurs close to the time of ovulation.

Regarding your specific situation, if your boyfriend's penis was in contact with your vagina and there was pre-ejaculate present, there is a potential risk for pregnancy, particularly if this occurred during your fertile window (the days leading up to and including ovulation). The likelihood of conception from such activities is significantly lower than from penetrative intercourse, but it is still a possibility.

In the second part of your question, you mentioned that after your boyfriend ejaculated, he did not clean himself and then touched you. If there was any sperm on his hands and it came into contact with your vaginal area, there is a theoretical risk of pregnancy, although this is also quite low. Sperm can survive for a short time outside the body, but they typically do not live long enough to cause pregnancy unless they are deposited directly into the vagina.

To summarize, while the chances of becoming pregnant from the activities you described are relatively low, they are not nonexistent. If you are concerned about the possibility of pregnancy, it may be wise to take a home pregnancy test if your period is late or to consult with a healthcare provider for further guidance.

In terms of contraception, if you are looking to avoid pregnancy, it is important to consider more reliable methods such as hormonal birth control, condoms, or other barrier methods. These methods can significantly reduce the risk of unintended pregnancy compared to withdrawal or non-penetrative sexual activities.

Lastly, if you have any further concerns about your reproductive health or potential pregnancy, I recommend consulting with a healthcare professional who can provide personalized advice based on your specific circumstances. They can also discuss the implications of any potential pregnancy, including prenatal care and lifestyle considerations.

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