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Pregnancy is a journey filled with hope and anticipation, but unfortunately, not all pregnancies progress as expected. A miscarriage, also known as pregnancy loss, is the spontaneous loss of a pregnancy before 20 weeks of gestation. It is more common than many people realize and can be emotionally challenging for couples.
Understanding the causes of miscarriage and the precautions that may help reduce risk can provide valuable insight for couples planning a pregnancy. At NEX IVF and Fertility Centre, specialists support couples through pregnancy planning, fertility treatment, and recurrent pregnancy loss evaluations to improve the chances of a healthy pregnancy.
What Is a Miscarriage?
A miscarriage occurs when a pregnancy ends naturally before the fetus can survive outside the uterus. Most miscarriages happen during the first trimester, often before the 12th week of pregnancy.
Many pregnancy losses occur due to factors beyond a woman’s control and are not caused by routine daily activities.
How Common Is Pregnancy Loss?
Studies suggest that approximately 10–20% of known pregnancies end in miscarriage. The actual number may be higher because some losses occur before a woman realizes she is pregnant.
While experiencing a miscarriage can be heartbreaking, many women go on to have healthy pregnancies afterward.
Common Causes of Miscarriage
1. Chromosomal Abnormalities
The most common cause of miscarriage is an abnormal number or structure of chromosomes in the embryo.
These genetic abnormalities occur randomly and often prevent normal fetal development.
2. Advanced Maternal Age
Age plays an important role in pregnancy outcomes.
As maternal age increases:
- Egg quality declines
- Chromosomal abnormalities become more common
- Miscarriage risk increases
Women above 35 may have a higher risk compared to younger women.
3. Hormonal Imbalances
Hormones are essential for maintaining pregnancy.
Conditions such as:
- Thyroid disorders
- Low progesterone levels
- Polycystic Ovary Syndrome (PCOS)
can increase the risk of pregnancy loss if left untreated.
4. Uterine Abnormalities
Structural problems within the uterus may interfere with implantation and pregnancy development.
Examples include:
- Uterine fibroids
- Uterine septum
- Endometrial polyps
- Intrauterine adhesions
Proper diagnosis can help improve future pregnancy outcomes.
5. Infections
Certain infections can increase the risk of miscarriage, including:
- Sexually transmitted infections
- Severe viral infections
- Untreated reproductive tract infections
Prompt medical treatment is important.
6. Chronic Medical Conditions
Poorly controlled health conditions may affect pregnancy.
Examples include:
- Diabetes
- High blood pressure
- Autoimmune disorders
- Kidney disease
Managing these conditions before and during pregnancy can reduce risks.
7. Lifestyle Factors
Certain habits may negatively impact pregnancy health.
Risk factors include:
- Smoking
- Excessive alcohol consumption
- Recreational drug use
- Severe obesity
- Poor nutrition
Healthy lifestyle choices support a healthy pregnancy.
Symptoms of Miscarriage
Common warning signs include:
- Vaginal bleeding or spotting
- Abdominal cramps
- Lower back pain
- Passing tissue or clots
- Sudden loss of pregnancy symptoms
Not all bleeding during pregnancy indicates miscarriage, but medical evaluation is important.
Precautions to Support a Healthy Pregnancy
While not all miscarriages can be prevented, several measures may help reduce risk.
Maintain a Healthy Lifestyle
- Eat a balanced diet
- Exercise moderately
- Maintain a healthy weight
Take Folic Acid Supplements
Folic acid supports fetal development and may reduce pregnancy complications.
Avoid Smoking and Alcohol
Eliminating harmful substances supports maternal and fetal health.
Manage Medical Conditions
Proper control of diabetes, thyroid disorders, and other health conditions is essential.
Attend Regular Prenatal Checkups
Early monitoring helps identify and address potential concerns promptly.
Reduce Stress
Managing stress through relaxation techniques, adequate rest, and emotional support can contribute to overall well-being during pregnancy.
What Is Recurrent Pregnancy Loss?
Recurrent pregnancy loss refers to two or more consecutive miscarriages.
Possible causes include:
- Genetic factors
- Hormonal disorders
- Uterine abnormalities
- Autoimmune conditions
- Blood clotting disorders
A detailed evaluation can help identify treatable causes and improve future pregnancy outcomes.
When Should You Consult a Fertility Specialist?
You should seek medical advice if:
- You have experienced one or more miscarriages
- You have recurrent pregnancy loss
- You have known fertility or hormonal issues
- You are planning pregnancy after age 35
At NEX IVF and Fertility Centre, comprehensive evaluations help identify potential causes of pregnancy loss and guide couples toward appropriate treatment and pregnancy planning.
Final Words
Experiencing a miscarriage can be emotionally difficult, but it is important to remember that many cases occur due to factors beyond anyone’s control. Understanding the causes of pregnancy loss and taking appropriate precautions can help support a healthy pregnancy in the future.