Basal Body Temperature Variations and Abdominal Pain in Women - Obstetrics and Gynecology

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Differences in basal body temperature and abdominal pain?


Hello, doctor.
I have a question.
Is the high/low temperature phase of basal body temperature comparative, or does it have to exceed the 24-degree scale on the basal body temperature chart, specifically 36.7 degrees Celsius? My menstrual cycle has always been 28 days (it has been very regular for many years).
Last month, my basal body temperature clearly showed a distinction between high and low temperatures at 36.7 degrees Celsius.
However, this month, counting from the start of my period, it has been nearly twenty days, and my basal body temperature has surprisingly dropped below 36.1 degrees Celsius, with a maximum of only 36.5 degrees.
So, do I have a high temperature phase or not? Additionally, I read in some books that if I experience abdominal pain during intercourse, it could indicate a problem with the uterus.
I sometimes feel pain, but not every time.
Should I see a doctor, and if so, which specialty? How should I describe my symptoms, and what other phenomena should I observe? Thank you.

ssie, 20~29 year old female. Ask Date: 2005/12/21

Dr. Li Guanghan reply Obstetrics and Gynecology


Hello: 1.
If the OV scale rises more than 5 degrees above the basal body temperature of the previous day and exceeds 24 degrees, it indicates ovulation.
2.
If you experience abdominal pain after intercourse, please visit the obstetrics and gynecology department.
Hsinchu City Hospital, Department of Obstetrics and Gynecology.

Reply Date: 2005/12/21

More Info


Understanding variations in basal body temperature (BBT) and abdominal pain can be crucial for women monitoring their reproductive health. BBT is a useful tool for tracking ovulation and menstrual cycles. Typically, BBT is lower during the follicular phase (before ovulation) and rises after ovulation due to increased progesterone levels. A sustained increase in BBT above 36.7°C (98°F) can indicate that ovulation has occurred. However, it's important to note that individual variations exist, and what is considered "normal" can differ from person to person.

In your case, you mentioned that your BBT has dropped below 36.1°C and has not exceeded 36.5°C for nearly twenty days since your last menstrual period. This could indicate a few possibilities. First, it may suggest that ovulation did not occur this cycle, which can happen occasionally due to stress, hormonal imbalances, or other factors. If you have been tracking your BBT consistently, you might want to compare this month's readings with previous cycles to identify any patterns or anomalies.

Regarding the abdominal pain you experience during or after sexual intercourse, this could be attributed to several factors. Pain during intercourse, known as dyspareunia, can arise from various causes, including:
1. Anatomical Issues: Conditions such as endometriosis, fibroids, or pelvic inflammatory disease can lead to pain during intercourse. These conditions may cause inflammation or scarring in the pelvic area, leading to discomfort.

2. Muscle Tension: Sometimes, pelvic floor muscle tension can cause pain during sexual activity. This can be exacerbated by anxiety or stress.

3. Infections: Vaginal or pelvic infections can also lead to pain during intercourse. Symptoms may include unusual discharge, odor, or discomfort during urination.

4. Hormonal Fluctuations: Changes in hormonal levels, particularly around your menstrual cycle, can affect vaginal lubrication and lead to discomfort during sex.

Given your symptoms and the variations in your BBT, it would be advisable to consult a healthcare professional. A gynecologist would be the most appropriate specialist to evaluate your symptoms. When you visit, be prepared to discuss:
- The specifics of your abdominal pain: When it occurs, its intensity, and any associated symptoms (like changes in discharge, menstrual irregularities, etc.).

- Your BBT tracking: Bring your chart to illustrate the variations you've observed.

- Any other symptoms you may have experienced, such as changes in your menstrual cycle, gastrointestinal issues, or urinary symptoms.

Additionally, it may be beneficial to keep a symptom diary leading up to your appointment. Documenting when the pain occurs, its severity, and any potential triggers (like certain activities or foods) can provide valuable information to your healthcare provider.

In summary, while variations in BBT and abdominal pain can be concerning, they are not uncommon. Consulting with a gynecologist will help clarify the underlying causes and guide you toward appropriate management or treatment options. Remember, early intervention can often lead to better outcomes, so don't hesitate to seek help.

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