Pregnancy Chances: Your Questions Answered - Obstetrics and Gynecology

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Consolidated inquiry: What is the probability of pregnancy?


Hello, I would like to ask about the probability of pregnancy.
On July 28, my boyfriend and I did not have penetrative intercourse, and there was no ejaculation, only some fondling.
However, it is possible that pre-ejaculate fluid came into contact with the vaginal opening.
Four days later, on August 1, I took the emergency contraceptive pill, as I read online that it is effective within the first five days.
Today, August 4, I have been experiencing breast tenderness since July 28, along with frequent burping, flatulence, and abdominal bloating.
Are these signs that my body is indicating a possible pregnancy? If the contraception was successful, would there be any bleeding symptoms? Does the absence of bleeding mean it was unsuccessful? If there is bleeding, is it considered a period? Would it be more appropriate to use a pregnancy test to check for pregnancy? Additionally, what is the likelihood of becoming pregnant in this situation? I apologize for the many questions and thank you for your response!

Wu, 20~29 year old female. Ask Date: 2015/08/04

Dr. Lü Lizheng reply Obstetrics and Gynecology


1.
If you are certain that no semen entered the vagina, there is no need to worry about pregnancy.

2.
The bodily reactions you described are not sufficient to determine if you are pregnant.

3.
To assess pregnancy based on bleeding, there must be a sufficient amount of menstrual blood to rule out pregnancy.

4.
If your period is overdue, it is advisable to take a pregnancy test for confirmation.

Respectfully, Dr.
Lu Li-Cheng, Taoyuan Hospital.

Reply Date: 2015/08/04

More Info


Understanding the chances of pregnancy can be a complex topic, especially when considering various factors such as timing, methods of contraception, and individual health conditions. Based on your description, it seems you are concerned about the possibility of pregnancy following a situation where there was no penetrative intercourse, but there was some contact that may have involved pre-ejaculate fluid.

Firstly, it’s important to clarify that while the risk of pregnancy from pre-ejaculate (also known as pre-cum) is generally lower than from ejaculate, it is not zero. Pre-ejaculate can contain sperm, and if it comes into contact with the vaginal opening, there is a potential risk of pregnancy. The likelihood of conception occurring from such contact depends on several factors, including the timing of the menstrual cycle and the viability of the sperm.

You mentioned that you took emergency contraception (Plan B) on August 1, which is within the recommended time frame for such medications. Emergency contraceptive pills are most effective when taken as soon as possible after unprotected intercourse, ideally within 72 hours, but they can be effective up to 5 days after. The effectiveness decreases the longer you wait, but taking it as you did was a proactive step.

Regarding your symptoms, breast tenderness, increased gas, and abdominal bloating can be common premenstrual symptoms and are not definitive indicators of pregnancy. These symptoms can also be influenced by hormonal changes due to the emergency contraception you took. It’s important to note that hormonal contraceptives can cause side effects that mimic early pregnancy symptoms.

As for bleeding, it’s not uncommon for women to experience some bleeding after taking emergency contraception, which can be mistaken for a period. This bleeding is often lighter than a regular menstrual period and can occur within a few days to a couple of weeks after taking the pill. If you do not experience any bleeding, it does not necessarily mean that the emergency contraception was ineffective; it could simply mean that your body is responding differently.

To determine if you are pregnant, using a home pregnancy test is indeed a reliable method. Most tests are sensitive enough to detect pregnancy about a week after a missed period. If you take a test too early, it may not provide an accurate result, so it’s best to wait until after your expected period for the most reliable outcome.

In terms of your question about the chances of pregnancy, it is difficult to provide a specific percentage without more detailed information about your menstrual cycle and the timing of ovulation. Generally, if ovulation occurred around the time of your contact, the chances of pregnancy could be higher. However, if you are not in your fertile window, the chances are significantly lower.

In summary, while there is a possibility of pregnancy from the scenario you described, taking emergency contraception was a good step to mitigate that risk. Monitor your body for any changes, and consider taking a pregnancy test if your period is late. If you have further concerns or experience unusual symptoms, consulting with a healthcare provider would be advisable for personalized guidance and support.

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