Pregnancy Chances After Unprotected Intercourse: Key Insights

Expired, probability of pregnancy?

The last menstrual period was on December 21, with an expected period on January 22.
There was unprotected intercourse on January 1 and January 12, with ejaculation outside.
After vigorous exercise on January 19, there were brownish secretions for 2-3 consecutive days, along with some days of nausea and loss of appetite, followed by stomach pain that became less severe, with occasional feelings of wanting to vomit.
After the expected period on January 22 did not occur, multiple pregnancy tests were taken, all showing negative results.
On January 23 and February 2, visits to the obstetrician-gynecologist still indicated no pregnancy.
After an ultrasound on February 2, the doctor administered a medication to induce menstruation.
Recently, there has been a feeling of a quickly full bladder and a frequent urge to urinate.
Is there a chance of pregnancy, or could this just be a bodily condition?

sw, 10~19 year old female. Ask Date: 2017/02/05

Dr. Huang Jianzhong reply Obstetrics and Gynecology

The last menstrual period was on December 21, with an expected arrival on January 22.
There was unprotected sexual intercourse on January 1, 12, and 16, with withdrawal before ejaculation.
After missing the period on January 22, multiple pregnancy tests showed negative results.
On January 23 and February 2, visits to the gynecologist confirmed no pregnancy.
After an ultrasound on February 2, the doctor administered a medication to induce menstruation.
Recently, there has been a frequent urge to urinate.
Is there still a chance of pregnancy? Answer: It may just be a bodily response; consider taking another pregnancy test.

Reply Date: 2017/02/05

More Info

Understanding the chances of pregnancy after unprotected intercourse can be a source of anxiety and confusion for many individuals. In your case, you have provided a timeline of events that can help clarify your situation.

Firstly, let's break down the timeline you've shared. Your last menstrual period (LMP) was on December 21, and you expected your next period around January 22. You had unprotected intercourse on January 1, which is within your fertile window, as ovulation typically occurs about 14 days before your next expected period. This means that if you have a regular cycle, there is a possibility of conception occurring from intercourse during this time.

You mentioned experiencing some symptoms such as brown discharge, nausea, and abdominal discomfort after the intercourse. Brown discharge can sometimes be associated with implantation bleeding, which occurs when a fertilized egg attaches to the uterine lining. However, it can also be caused by other factors, including hormonal changes or even the onset of your menstrual cycle.

The fact that you have taken multiple pregnancy tests and received negative results is significant. Home pregnancy tests are generally reliable, especially when taken after a missed period. If you tested negative on January 22 and again on February 2, it is less likely that you are pregnant, particularly if the tests were taken correctly and at the appropriate time.

Additionally, you mentioned that you visited a gynecologist who administered a medication to induce menstruation. This suggests that your doctor did not find evidence of pregnancy during the examination or ultrasound. The injection you received is typically used to help regulate menstrual cycles and can be effective in prompting a period if there is no pregnancy.

Regarding your symptoms of increased urinary frequency, this could be attributed to various factors, including anxiety, hormonal changes, or even a urinary tract infection (UTI). It is not uncommon for individuals to experience heightened awareness of bodily sensations during times of stress or uncertainty, which can lead to misinterpretation of normal bodily functions.

In summary, based on the information provided, the likelihood of pregnancy seems low given the negative pregnancy tests and the medical intervention you received to induce menstruation. However, if you continue to experience unusual symptoms or if your period does not arrive after the administration of the medication, it would be advisable to follow up with your healthcare provider for further evaluation.

It's important to remember that while unprotected intercourse does carry a risk of pregnancy, various factors can influence the outcome, including timing, individual health conditions, and the reliability of pregnancy tests. If you have ongoing concerns about your reproductive health or potential pregnancy, seeking further consultation with a healthcare professional is always a good step. They can provide personalized advice and support based on your specific circumstances.

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