Can You Get Pregnant? Risks After Unprotected Intercourse

Can I get pregnant?

Last night, on November 20th, I had intercourse with my girlfriend without using a condom.
I did not ejaculate inside; I pulled out and then used my hand to help her.
Her last menstrual period was on November 6th.
What is the likelihood of pregnancy?

Yang, 10~19 year old female. Ask Date: 2018/11/20

Dr. Huang Jianzhong reply Obstetrics and Gynecology

On November 20, I had intercourse with my girlfriend without using a condom.
There was no ejaculation inside; I withdrew and then used my hand to help her.
Her last menstrual period was on November 6.
What is the likelihood of pregnancy? Answer: Since her last menstrual period was on November 6, and November 20 falls within the ovulation period, the likelihood of pregnancy is higher.
However, since there was no ejaculation inside and I withdrew before finishing, the chance of pregnancy is low.

Reply Date: 2018/11/20

More Info

When it comes to understanding the risks of pregnancy after unprotected intercourse, several factors need to be considered. Based on the information provided, you had sexual intercourse with your girlfriend on November 20, and her last menstrual period started on November 6. This timing is crucial in assessing the likelihood of pregnancy.

Firstly, it’s important to understand the menstrual cycle. A typical menstrual cycle lasts about 28 days, but it can vary from person to person. Ovulation usually occurs around 14 days before the start of the next menstrual period. If your girlfriend's last period started on November 6, she would likely ovulate around November 20, which is the same day you had intercourse. This timing significantly increases the chances of pregnancy because sperm can live inside the female reproductive tract for up to five days, and the egg is viable for about 12 to 24 hours after ovulation.

Even though you mentioned that you did not ejaculate inside her, there is still a risk of pregnancy. Pre-ejaculate fluid, which can be released before ejaculation, may contain sperm. Therefore, even if you withdrew before ejaculation, there is still a possibility of sperm being present and leading to fertilization.

In terms of the probability of pregnancy, if intercourse occurred on the day of ovulation, the chances are relatively high, potentially around 20-30% for that cycle, depending on various factors such as the health of the sperm and the egg, as well as the overall fertility of both partners.

If your girlfriend is concerned about the possibility of pregnancy, it is advisable for her to take a home pregnancy test if her period is late. Home pregnancy tests are generally accurate when taken after a missed period. Additionally, if there is a concern about potential pregnancy and it is within 72 hours of unprotected intercourse, she may consider emergency contraception, which can significantly reduce the risk of pregnancy.

Regarding your question about the potential impact on the child if she were to become pregnant, it is essential to note that early pregnancy is a critical time for fetal development. If she is indeed pregnant and has concerns about her health or any substances she may have consumed, it is crucial to consult a healthcare provider for personalized advice and care.

In conclusion, the likelihood of pregnancy after unprotected intercourse, especially during the ovulation period, is significant. If there are concerns about pregnancy or reproductive health, it is always best to seek professional medical advice for accurate assessment and guidance.

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