Should You Regulate Your Menstrual Cycle Before Trying to Conceive? - Obstetrics and Gynecology

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If you want to conceive but have irregular menstrual cycles, should you first regulate your menstrual cycle?


On November 16, my menstrual period started, but it has not arrived since then.
I visited a gynecologist and confirmed that I am not pregnant.
The doctor advised that if I plan to conceive, I should not induce menstruation and let it come naturally.
I was told to wait 7-10 days and return for a follow-up if my period still hasn't started.
Previously, I experienced light bleeding or brown discharge between periods, which the doctor indicated could be due to irregular cycles or ovulatory bleeding.
I have taken ovulation-inducing medication and received an ovulation trigger shot, but I still have not conceived.
Currently, I am tracking my basal body temperature: on December 4, it was 36.05°C, and on December 5, it was 36.54°C.
Does this indicate that I ovulated? On December 15 and 16, my temperature dropped to 36.28°C, leading me to believe my period was coming, but then it rose again to 36.67°C to 36.80°C over the next two days.
Should I first regulate my menstrual cycle before preparing for pregnancy? If my thyroid levels are normal but I have nodules, will this affect my ability to conceive? Thank you.

bonny, 20~29 year old female. Ask Date: 2005/12/23

Dr. Wei Fumao reply Obstetrics and Gynecology


Due to the complexity of the issue and the fact that the approach may vary depending on the case, it is advisable to wait and observe for now.
If there is a lack of confidence in the primary care physician, it is recommended to seek assistance from a specialized infertility center.

Reply Date: 2005/12/23

More Info


When considering whether to regulate your menstrual cycle before trying to conceive, it is essential to understand the complexities of menstrual health and fertility. Your situation, characterized by irregular menstrual cycles and previous experiences of spotting or brown discharge, suggests that your menstrual health may need attention, but it does not necessarily mean you must regulate it before attempting to conceive.

Firstly, it is important to recognize that a regular menstrual cycle can be an indicator of overall reproductive health. A typical cycle lasts between 21 to 35 days, and irregularities can sometimes signal underlying health issues. In your case, the absence of menstruation since November 16, despite negative pregnancy tests, indicates a potential disruption in your cycle. However, your doctor’s advice to allow your cycle to return naturally is sound, as forcing a regulation might not address the root cause of the irregularity.

Your observation of basal body temperature (BBT) changes is a useful tool in tracking ovulation. A rise in BBT typically indicates that ovulation has occurred, as progesterone levels increase after the release of an egg. The fluctuations you noted, with temperatures rising and then falling, can be common in the luteal phase of the menstrual cycle. The drop in temperature could suggest that your period is approaching, but the subsequent rise could indicate that ovulation has indeed occurred, or it could be due to other factors such as stress, illness, or hormonal fluctuations.

Regarding your thyroid health, having normal thyroid indices is a positive sign, but the presence of nodules can sometimes complicate matters. Thyroid function plays a crucial role in fertility, and any abnormalities can affect ovulation and menstrual regularity. If your thyroid levels are stable and your doctor has not indicated any concerns regarding the nodules, it is likely that they are not significantly impacting your fertility. However, it is always wise to keep your healthcare provider informed about any changes or concerns regarding your thyroid health.

In conclusion, while regulating your menstrual cycle can be beneficial for some women, it is not a prerequisite for conception. Given your current situation, it may be more beneficial to focus on tracking your ovulation and maintaining a healthy lifestyle, which includes a balanced diet, regular exercise, and managing stress. If your cycles remain irregular or if you continue to have difficulty conceiving, it would be prudent to consult with a fertility specialist who can provide a more tailored approach to your reproductive health.

In summary, allow your body to regulate naturally while monitoring your ovulation signs. If irregularities persist, further evaluation may be necessary to explore any underlying issues that could affect your fertility. Always keep an open line of communication with your healthcare provider to ensure you receive the best guidance tailored to your specific health needs.

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