Pregnancy Chances After Unprotected Interactions: Your Questions Answered - Obstetrics and Gynecology

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Pregnancy probability


My menstrual period was from January 9 to January 14.
On the morning of January 30, I noticed jelly-like discharge.
That day, I performed oral sex on my boyfriend, and he also inserted his fingers into my vagina.
I would like to ask the doctor if there is a possibility that his pre-ejaculate fluid could have been in my mouth, and then after kissing him, he licked his fingers and inserted them into my vagina.
On the evening of January 30, I used an ovulation test, which showed a strong positive result.
On the morning of January 31, I also had jelly-like discharge.
Around 8 AM on January 31, I took the second-generation emergency contraceptive pill (Ella).
I would like to know if the possibility of pregnancy is high in this situation.
Until now, on February 3 and 4, the ovulation tests have shown weak positive results.
Is this due to the emergency contraceptive delaying ovulation, or is it because my menstrual period is approaching? After confirming the ovulation date, how soon can I take a pregnancy test? Thank you, doctor, for addressing my concerns.

123, 20~29 year old female. Ask Date: 2024/02/05

Dr. Lin Xinwang reply Obstetrics and Gynecology


Hello: 1.
If you are concerned about pregnancy, it is advisable to take a pregnancy test.
2.
Taking emergency contraception can lead to hormonal imbalances and irregular menstrual cycles.
If you experience abnormal bleeding or other symptoms, it is recommended to see a doctor.
If you had sexual intercourse around ovulation, it is suggested to take a pregnancy test two weeks later.

Reply Date: 2024/02/05

More Info


Understanding the chances of pregnancy after unprotected sexual interactions can be a source of anxiety for many individuals. Based on the details you provided, let's break down the situation and clarify the factors involved.

Your menstrual cycle started on January 9 and ended on January 14. You mentioned experiencing egg-white cervical mucus on January 30, which is typically a sign of ovulation. The presence of this type of mucus indicates that your body is preparing for ovulation, which usually occurs about 12 to 24 hours after this type of discharge is observed. You also noted that you had a strong positive result on an ovulation test on January 30 and again on January 31, which further supports the likelihood of ovulation occurring around this time.

The interactions you described, including oral sex and manual stimulation, raise questions about the potential for sperm transfer. While pre-ejaculate fluid (pre-cum) can contain sperm, the risk of pregnancy from the activities you described is relatively low, especially since you took emergency contraception (Ella) shortly after the potential exposure. Ella is effective at preventing pregnancy when taken within 120 hours (5 days) after unprotected intercourse, and it works primarily by delaying or inhibiting ovulation.

Taking Ella on January 31 means that you have taken a proactive step to reduce the risk of pregnancy. The emergency contraceptive pill can affect your menstrual cycle, potentially delaying ovulation and altering the timing of your next period. This could explain the weak positive results on your ovulation tests following the use of the emergency contraceptive.

Regarding your question about when to take a pregnancy test, it is generally recommended to wait at least one week after a missed period for the most accurate results. Since your cycle typically lasts about 28 days, if your period does not arrive around February 6, you could take a home pregnancy test at that time. However, if you experience any unusual symptoms or have concerns, it is advisable to consult with a healthcare provider for further evaluation.

In summary, while there is a possibility of pregnancy from the activities you described, the use of emergency contraception significantly reduces that risk. The changes in your ovulation test results may be due to the effects of the emergency contraceptive. If you have any further concerns or experience any unusual symptoms, please reach out to a healthcare professional for personalized advice and support.

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