Factors That Cause Infertility
- Siam Fertility Clinic
- Jun 24
- 3 min read

5 Major Factors That Lead to Infertility and How to Prevent and Treat
Having a child is one of the dreams for many couples.However, this dream can sometimes be hindered by the challenge of infertility—a struggle that can leave many feeling hopeless, asking themselves, “Why is this happening to me?” Infertility is not a distant issue; it can affect both women and men and is influenced by various factors such as age, physical health, genetics, and even lifestyle habits.
Understanding the real causes behind infertility can help couples address the issue correctly and effectively. In this article, we’ll explore the 5 main factors that contribute to infertility, along with practical ways to prevent and treat it, to help c
What Are the 5 Main Factors That Cause Infertility?
Physical Health Factors
Physical health plays a crucial role in determining the chances of conception. Reproductive health issues in both women and men can be direct causes of infertility. These health-related factors can be broken down into the following categories for each gender:
Reproductive System Disorders in Women
Polycystic Ovary Syndrome (PCOS): Causes irregular ovulation or failure to ovulate.
Endometriosis: Leads to the formation of adhesions in the pelvic cavity, which can interfere with embryo implantation.
Blocked Fallopian Tubes: Prevent the egg from traveling to the uterus for fertilization.
Reproductive System Disorders in Men
Low Sperm Count: Reduces the chance of successful fertilization.
Poor Sperm Quality: For example, abnormally shaped sperm may not be able to reach or fertilize the egg.
Varicocele (Enlarged Veins in the Scrotum): Affects testicular temperature and lowers sperm quality.
Age Factors
As a woman’s age increases—especially after the age of 35—the number of eggs produced by the body decreases, and their quality also declines. Similarly, increasing age in men affects sperm quality and raises the risk of genetic abnormalities. These age-related changes significantly reduce the chances of successful fertilization.
Lifestyle and Environmental Factors Daily lifestyle habits and living environments play a significant role in contributing to infertility. Some key factors include:
Smoking: Damages both eggs quality and sperm quality.
Alcohol Consumption: Affects hormone levels and decreases the likelihood of conception.
Being Overweight or Underweight: Can disrupt ovulation and hormone balance.
Stress: Interferes with hormonal functions related to reproduction.
Genetic Factors
Certain genetic conditions can affect the reproductive system. In addition, chromosomal abnormalities inherited from parents can influence reproductive health and reduce fertility in both men and women.
Underlying Health Conditions and Medication Use
Chronic diseases such as diabetes and high blood pressure can negatively impact reproductive function. Additionally, the use of certain medications—such as chemotherapy drugs—may contribute to infertility.
Effective Ways to Prevent and Treat Infertility
A Healthier Lifestyle Adjustment Making appropriate lifestyle changes can significantly improve fertility. Avoid smoking and alcohol, exercise regularly to maintain overall health, keep your weight within a healthy range, and ensure you get enough rest. Reducing stress is also important, as it can affect hormone production involved in reproduction.
Preconception Health CheckupsBefore trying to conceive, it’s beneficial to undergo fertility assessments, including hormone level testing, and reproductive system evaluations. This should be done under the supervision of a fertility specialist or at a clinic specializing in infertility treatment to ensure the most suitable care plan.
Medical TreatmentsVarious medical options are available to support fertility, including ovulation-inducing medications and assisted reproductive technologies such as in vitro fertilization (IVF/ICSI). These can greatly enhance the chances of conception for many couples.
Overcoming Infertility Challenges with Comprehensive Care from Siam Fertility Clinic
Infertility may seem like a complex and overwhelming issue, but thanks to modern medical advancements and proper treatment, the hope of having a child is no longer out of reach. If you're facing infertility, consulting a fertility specialist can provide you with the right guidance and treatment options—boosting your confidence and increasing your chances of conceiving in the future.
If you're looking for expert advice and support from professionals who truly understand the struggles of infertility, Siam Fertility Clinic is here for you. We specialize in comprehensive infertility treatment, provided by a team of highly experienced reproductive specialists.
Our clinic uses the latest, internationally certified fertility technologies, including:
In Vitro Fertilization (IVF)
Intracytoplasmic Sperm Injection (ICSI)
Egg Freezing (Oocyte Cryopreservation)
These services are tailored to meet individual needs and offer the highest chances of successful pregnancy. At Siam Fertility Clinic, we are dedicated to personalized, compassionate care. Our patient coordinators deeply understand the emotional journey that comes with infertility and aim to create a warm, supportive treatment environment—so you feel confident and cared for every step of the way.
If you're planning to start a family and need expert guidance on infertility, schedule a consultation with one of our specialists to explore the best options for your unique situation.
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