Pregnancy Symptoms or PMS: Your Cycle and Signs - Obstetrics and Gynecology

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Premenstrual symptoms or pregnancy?


Hello Doctor: My menstrual periods in October and November were on the 24th and 23rd, respectively.
On December 8th, around 11 AM, I used an ovulation test, which indicated a positive result.
Approximately 12-13 hours later, around 1 AM, I had intercourse.
What are the chances of pregnancy? Additionally, I could not detect ovulation on December 10th, and I only saw the test line.
From December 12th to 14th, I experienced menstrual pain symptoms with sharp pains in the lower abdomen, but it did not affect my ability to work.
On December 18th and 19th, I noticed a slight pinkish discharge when wiping with tissue, and today it was brown, each occurring once.
It was not a continuous occurrence.
This morning, I used a pregnancy test with my first morning urine, and it only showed one line.
What is the likelihood of getting my period? My basal body temperature has consistently been above 36.8°C; yesterday it was 37.06°C, and today it is 36.96°C.
Thank you!

Xiao Zhu, 20~29 year old female. Ask Date: 2012/12/19

Dr. Zhong Wenzhen reply Obstetrics and Gynecology


Hello: It is recommended that you bring your medical records when visiting a gynecologist to obtain more accurate answers.
There are many variables to consider in the exchange of information online or on paper, so it is advisable to consult in person with a physician to exchange accurate information.
Wishing you peace and good health.

Reply Date: 2012/12/19

More Info


When it comes to understanding the signs of pregnancy versus premenstrual syndrome (PMS), it can often be confusing, especially when experiencing symptoms that overlap. In your case, you have described a series of symptoms and events that could indicate either a potential pregnancy or the onset of your menstrual cycle.

Firstly, let's break down the timeline you've provided. You mentioned that your menstrual periods in October and November were on the 24th and 23rd, respectively. You then used an ovulation test on December 8th, which indicated a positive result, suggesting that ovulation likely occurred around that time. Engaging in sexual intercourse shortly after a positive ovulation test can increase the chances of conception, as sperm can survive in the female reproductive tract for several days, waiting for an egg to be released.

The symptoms you experienced on December 12th to 14th, such as cramping in the lower abdomen, are common both in early pregnancy and as part of PMS. The presence of light pink or brown discharge on December 18th and 19th could be indicative of implantation bleeding, which occurs when a fertilized egg attaches to the uterine lining. However, it could also be a sign that your period is approaching.

The fact that you tested for pregnancy on the morning of December 19th and only saw one line on the test suggests that, at that point, you were not pregnant. Pregnancy tests measure the hormone human chorionic gonadotropin (hCG), which is typically detectable in urine about a week after conception. If you tested too early, it might not have registered yet, especially if implantation occurred later than expected.

Your body temperature readings are also noteworthy. A sustained elevated basal body temperature (BBT) can indicate that you have ovulated. If your temperature remains elevated beyond the expected time of your period, it could suggest pregnancy. However, fluctuations in BBT can also occur due to various factors, including stress, illness, or hormonal changes.

In conclusion, while there are signs that could suggest early pregnancy, such as cramping and light spotting, the negative pregnancy test indicates that menstruation is more likely. If your period does not arrive as expected, it would be advisable to retest in a few days or consult with a healthcare provider for further evaluation. They can provide more personalized insights based on your symptoms and medical history.

In the realm of reproductive health, it's essential to listen to your body and seek medical advice when in doubt. Understanding your cycle and recognizing the signs of pregnancy versus PMS can be challenging, but keeping track of your symptoms and menstrual cycle can help clarify your situation. If you have further concerns or if your symptoms persist, consider reaching out to a healthcare professional for a thorough assessment.

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