Irregular Periods: Causes, Symptoms, and Treatment Options for Women
Stacia Aaron | Women's Health Blog | Frisco, TX
If you've ever wondered, "Why are my periods irregular?", you're not alone. Irregular periods are one of the most common reasons women seek medical care. While occasional changes in your menstrual cycle can be normal, persistent irregular periods may signal an underlying hormonal or medical condition that deserves attention.
At Functional Beginnings, we believe your menstrual cycle is a vital sign of your overall health. Rather than simply regulating your cycle with medication, our board-certified Women's Functional Health Nurse Practitioner takes a holistic, root-cause approach to uncover why your periods have become irregular and develop a personalized treatment plan that supports long-term wellness.
What Are Irregular Periods?
A healthy menstrual cycle typically occurs every 21 to 35 days, with menstrual bleeding lasting between 2 and 7 days. While every woman's cycle is unique, periods that consistently fall outside this range or change dramatically from month to month may be considered irregular.
Examples of irregular periods include:
Skipping periods
Menstrual cycles shorter than 21 days
Cycles longer than 35 days
Heavy or unusually light bleeding
Spotting between periods
Unpredictable menstrual timing
Occasional cycle changes can happen due to stress or illness, but ongoing irregularity should be evaluated by a healthcare provider.
Common Causes of Irregular Periods
Many different factors can affect your menstrual cycle. At Functional Beginnings, we look beyond the symptoms to identify the underlying cause.
Polycystic Ovary Syndrome (PCOS)
PCOS is one of the leading causes of irregular periods. Women with PCOS often experience:
Irregular or absent ovulation
Acne
Excess facial or body hair
Weight gain
Difficulty becoming pregnant
Thyroid Disorders
Both hypothyroidism and hyperthyroidism can disrupt normal hormone production and interfere with regular menstrual cycles. Hashimoto's thyroiditis, the most common cause of hypothyroidism, is especially common in women.
Perimenopause
As women approach menopause, fluctuating estrogen and progesterone levels often cause irregular cycles. Changes may begin several years before menopause itself.
Chronic Stress
Stress increases cortisol production, which can interfere with the hormones responsible for ovulation and menstruation.
Weight Changes and Nutrition
Significant weight loss, obesity, restrictive dieting, or excessive exercise can all affect hormone production and menstrual regularity.
Other Hormonal Imbalances
Low progesterone, elevated prolactin, insulin resistance, and adrenal dysfunction can also contribute to irregular periods.
Symptoms That May Accompany Irregular Periods
Depending on the underlying cause, women may also experience:
Painful periods
Heavy menstrual bleeding
PMS or PMDD
Acne
Hair thinning
Fatigue
Mood swings
Weight changes
Difficulty getting pregnant
Pelvic pain
These symptoms provide important clues that help identify what's happening beneath the surface.
A Root-Cause Approach to Treatment
Rather than simply prescribing medication to force a regular cycle, Functional Beginnings focuses on understanding why your periods have become irregular.
Your personalized treatment plan may include:
Comprehensive hormone evaluation
Thyroid testing
Nutrition and lifestyle counseling
Blood sugar optimization
Gut health assessment
Functional laboratory testing
Targeted supplementation
Stress management strategies
Sleep optimization
By addressing the underlying contributors to hormone imbalance, many women experience healthier, more predictable menstrual cycles while also improving their overall health.
How Telemedicine Makes Women's Healthcare More Accessible
Many women delay seeking care because of busy schedules, travel time, or limited access to providers who specialize in hormone health. Fortunately, telemedicine makes personalized care more convenient than ever.
At Functional Beginnings, we proudly serve women throughout Texas through secure telehealth appointments, in addition to offering in-person visits at our Frisco office. Whether you live in Dallas, Houston, Austin, San Antonio, Lubbock, Amarillo, Tyler, or anywhere in between, you can receive comprehensive functional women's healthcare from the comfort of your home.
Lab work can often be completed locally, while consultations, treatment planning, education, and follow-up appointments are conducted virtually—making it easier to prioritize your health without disrupting your schedule.
When Should You Seek Help?
If your periods have become irregular for more than a few months, or you're experiencing heavy bleeding, severe pain, fertility concerns, or significant hormonal symptoms, it's important to schedule an evaluation. Early identification of hormone imbalances can improve reproductive health, reduce symptoms, and help prevent future complications.
Fill Out a New Patient Request Form Today
Irregular periods are often your body's way of telling you that something needs attention. You don't have to settle for unpredictable cycles or simply cover up the symptoms.
Fill out a new patient request form today to connect with our women's health team. Together, we'll identify the root causes of your irregular periods and create a personalized plan to restore hormone balance and support your long-term health—whether you visit us in Frisco or connect with us through telehealth anywhere in Texas.
References
American College of Obstetricians and Gynecologists (ACOG). (2023). Abnormal Uterine Bleeding and Menstrual Cycle Disorders.
Mayo Clinic. (2024). Menstrual Cycle: What's Normal and What's Not.
Office on Women's Health, U.S. Department of Health and Human Services. (2023). Menstrual Cycle Basics.
American Society for Reproductive Medicine (ASRM). (2023). Evaluation of Menstrual Disorders in Reproductive-Aged Women.
Munro, M. G., et al. (2018). The FIGO Classification of Causes of Abnormal Uterine Bleeding. International Journal of Gynecology & Obstetrics, 143(3), 393–408.
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