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Irregular Periods & Pregnancy

For many women, getting pregnant can be challenging if they have irregular periods. Research has consistently shown that irregular periods can significantly decrease the likelihood of pregnancy. Understanding the underlying causes of irregular periods is crucial in addressing fertility issues, irregular ovulation, and increasing the chances of becoming pregnant. We’ll explore the factors contributing to irregular periods and look at natural lifestyle improvements to enhance fertility.
At V Fertility Center in Bangkok, Thailand, we provide professional help to women with irregular periods and show them some natural ways to increase their chances of becoming pregnant. We have some of the best IVF doctors in Thailand who have been providing expert fertility services for 15 years.

Reasons for Irregular Periods

The menstrual cycle lasts for 28 days for most women. On the 14th day of the cycle, ovulation usually occurs. However, a person with irregular periods also may experience irregular ovulation. There are six main reasons for irregular periods. They include:

Hormonal Imbalances

Hormones play a crucial role in regulating the menstrual cycle. Any aberration in hormone levels can lead to irregular periods. Conditions including thyroid disorders, polycystic ovary syndrome (PCOS), and imbalances in estrogen and progesterone can all contribute to irregular menstruation cycles. Addressing hormonal imbalances often involves lifestyle changes, dietary adjustments, and sometimes medical intervention.

Obesity or Being Underweight

Body weight can significantly impact hormone levels and menstrual regularity. Being obese or underweight can disrupt hormonal balance, leading to irregular periods. Excess body weight can increase estrogen levels, while low body weight can lead to decreased estrogen production. Achieving a healthy body weight through diet and regular exercise can help regulate menstrual cycles and improve fertility.


While regular exercise benefits overall health, excessive physical activity can negatively impact menstrual cycles. Intense exercise can disrupt the balance of hormones, leading to irregular periods or even amenorrhea (the absence of menstruation). Finding the crucial balance between rest and exercise is essential for menstrual health and fertility. Incorporating activities like yoga or walking alongside high-intensity workouts can help maintain a healthy menstrual cycle.


Age is a significant factor affecting fertility, which declines as women age. Irregular periods can be more common as women approach perimenopause, typically in the late 30s to early 40s. However, irregular cycles can also occur in younger women due to other factors. For women struggling with irregular periods, especially as they age, seeking early intervention and guidance from fertility specialists is crucial.

Polycystic Ovary Syndrome (PCOS)

PCOS is a hormonal disorder that causes enlarged ovaries with small cysts on the outer edges. It can disrupt menstrual cycles and lead to infertility if left untreated. Women with PCOS often experience irregular periods, excess hair growth, acne, and weight gain. Lifestyle alterations such as dietary changes, exercise, and medication can help manage PCOS symptoms and improve fertility outcomes.


Certain medications can interfere with hormonal balance and disrupt menstrual cycles. These may include antidepressants, antipsychotics, corticosteroids, and chemotherapy drugs, among others. It’s essential to consult your healthcare provider about any medications that may be affecting menstrual regularity, especially for women trying to conceive.

Natural Improvements to Lifestyle

Visit a fertility specialist for tips on conceiving

Making lifestyle changes can positively impact menstrual health and fertility. Some natural improvements include:

  • Balanced Diet: A nutritious diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats can promote hormonal balance and overall reproductive health.
  • Stress Management: Chronic stress can disrupt hormone levels and menstrual cycles. Practices such as yoga, meditation, deep breathing exercises, and spending time outdoors in nature can help reduce stress and improve fertility.
  • Adequate Sleep: Getting enough quality sleep is vital for hormone regulation and overall well-being. Aim for 7-9 hours of sleep per night to support reproductive health.
  • Limiting Alcohol and Caffeine: Excessive alcohol and caffeine consumption can interfere with hormonal balance and fertility. Moderation is key when it comes to these beverages.

Schedule an Appointment at V Fertility Center

For couples struggling with infertility due to irregular periods or other underlying causes, seeking the expertise of fertility specialists is vital. Our fertility specialists can conduct thorough evaluations, diagnose underlying issues, and recommend personalized treatment plans to improve the chances of conception. Whether it’s lifestyle modifications, medication, or assisted reproductive technologies, V Fertility Center can provide invaluable support in helping you conceive.

Irregular periods can pose significant challenges with ovulation for women trying to conceive. By addressing underlying factors, women can proactively improve menstrual health and enhance fertility.
Incorporating natural lifestyle improvements and seeking guidance from fertility specialists can significantly increase the likelihood of achieving a successful pregnancy. If you’re struggling with irregular periods and fertility issues, please consider scheduling an appointment at the V Fertility Center.

Article by Dr.Worawat Siripoon

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