Pregnancy Chances After Protected Intercourse: Your Concerns Addressed

Probability of Pregnancy

A few months ago, my menstrual periods were on August 23 and September 24.
On October 9, I had sexual intercourse with my boyfriend for the first time (both of us were inexperienced).
We used a condom during the process, and due to pain, he did not fully penetrate.
He did not ejaculate during the encounter.
Afterward, I rinsed to check if the condom had broken; I only rinsed the first third and confirmed it was intact, but I did not rinse the remaining two-thirds.
My period has not arrived this month, and I took a pregnancy test on October 22, which showed one line.
This morning, October 25, I used first-morning urine for another test, and it also showed one line.
Is there still a possibility of pregnancy? I am very anxious and wondering if my stress could be causing a delay in my period.
Thank you, doctor.

Nìmíng, 10~19 year old female. Ask Date: 2023/11/22

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, based on your description, there is a possibility of pregnancy, as the failure rate of correctly using condoms is still around 5%.
As long as there are active sperm in the vagina during the ovulation period, there is a chance of pregnancy regardless of the method of exposure, and it cannot be estimated by a few drops or whether there is a hole.
Generally, it is not recommended to rely solely on condoms for contraception.
There are many factors that can affect the menstrual cycle, so if your period does not arrive, it is advisable to consult a gynecologist to check for pregnancy, hormonal imbalances, or other reasons.
Thank you! Wishing you safety and health.
Dr.
Zhang

Reply Date: 2023/11/22

More Info

When it comes to assessing the risk of pregnancy after protected intercourse, especially during a woman's fertile window, it's essential to understand several factors that can influence the likelihood of conception. Based on your description, you had your menstrual periods on August 23 and September 24, and then engaged in sexual intercourse on October 9. You mentioned that protection was used throughout the encounter, and your partner did not ejaculate. You also checked the condom for any signs of breakage, which is a responsible step.

Firstly, the fact that you used a condom significantly reduces the risk of pregnancy. Condoms are about 85% effective in preventing pregnancy with typical use, which means that while they are not foolproof, they provide a substantial level of protection when used correctly. Since you also mentioned that your partner did not ejaculate during intercourse, this further decreases the chances of sperm being present to fertilize an egg.

Regarding your menstrual cycle, it’s important to note that menstrual cycles can vary in length and regularity. If your cycles are typically around 28-30 days, ovulation generally occurs about 14 days before your next period is due. Given that your last period started on September 24, ovulation would likely have occurred around October 8-10. Since you had intercourse on October 9, this timing places you close to your ovulation window, which is considered a "fertile period." However, the use of a condom and the absence of ejaculation significantly mitigate the risk of pregnancy.

You mentioned that your period has not yet arrived, and you have taken two pregnancy tests, both of which returned negative results. The first test on October 22 and the second on October 25 both showed a single line, indicating that you are not pregnant. Home pregnancy tests are generally reliable when taken after a missed period, but they can sometimes yield false negatives if taken too early. Since you are still within the timeframe of your expected period, it is possible that your period may be delayed due to stress or other factors.

Stress and anxiety can indeed affect your menstrual cycle. The body can react to emotional stress by delaying ovulation or menstruation, which could explain the absence of your period. If your period does not arrive within a week or so, it may be worth consulting with a healthcare provider for further evaluation. They can provide more personalized insights and may recommend a blood test for pregnancy, which is more sensitive than home tests.

In summary, based on the information provided, the likelihood of pregnancy appears low due to the use of a condom and the absence of ejaculation. However, if you continue to experience anxiety about the situation or if your period does not arrive soon, seeking medical advice would be a prudent step. Remember that understanding your body and menstrual cycle can help alleviate some of the concerns related to sexual health and pregnancy.

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