The loss of a pregnancy is always a deeply distressing experience for a couple trying to turn their dream of parenthood into reality. When this happens repeatedly, the emotional burden becomes even heavier, and the need for clear answers and effective solutions grows stronger. Recurrent miscarriages represent a distinct and complex field within reproductive medicine, requiring a specialized approach combined with genuine empathy. At FertUlity, we believe that behind recurrent pregnancy loss there is always an underlying cause worth investigating in order to identify the most appropriate solution. With the right diagnostic tools and personalized treatment options, uncertainty can be transformed into knowledge and waiting into meaningful action.
Recurrent miscarriages, also known as recurrent pregnancy loss (RPL), are defined as the loss of two or more consecutive pregnancies before the 24th week of gestation. They are classified into two main types:
Primary recurrent miscarriages: when a woman has never achieved a successful full-term pregnancy.
Secondary recurrent miscarriages: when one or more pregnancies have previously occurred, followed by repeated losses.
This distinction is clinically important, as it may indicate different underlying causes and guide a more targeted diagnostic and therapeutic approach. In both cases, however, a thorough and systematic evaluation can provide clear answers and effective solutions.
What Are the Causes of Recurrent Miscarriages?
Recurrent miscarriages are a multifactorial condition, with potential causes including anatomical, genetic, hormonal, immunological factors, and infections. In some cases, the cause can be identified quickly and clearly, while in others a more in-depth and specialized investigation is required. The most common causes include:
Uterine anatomical abnormalities
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Uterine abnormalities such as septum, adhesions, fibroids, or congenital malformations can affect implantation and the proper development of the embryo. Diagnostic methods such as hysteroscopy, advanced imaging techniques like 3D ultrasound, and procedures such as Aqua Scan (sonohysterography) can help detect these structural issues.
Genetic and chromosomal abnormalities
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Genetic and chromosomal abnormalities may involve either the parents (e.g., translocations, genetic variations) or the embryo itself. Karyotype testing of the couple and Preimplantation Genetic Testing (PGT) can help identify such conditions and guide treatment decisions.
Hormonal imbalances
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Hormonal disorders, including thyroid dysfunction, low progesterone levels, polycystic ovary syndrome (PCOS), or endometriosis, may disrupt the stability of early pregnancy and increase the risk of miscarriage.
Immunological factors
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Immune system imbalances, such as elevated NK (Natural Killer) cells, may lead to repeated rejection of the embryo, preventing successful implantation and pregnancy progression.
Infections and inflammation
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Endometrial infections, microbiome imbalance, or chronic endometritis can play a significant role in recurrent pregnancy loss by negatively affecting the uterine environment.
Other factors
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Additional factors such as maternal age, obesity, insulin resistance, smoking, alcohol consumption, and even poor sperm quality can also negatively impact pregnancy outcomes.
How Is Recurrent Miscarriage Diagnosed?
Our approach is based on a thorough and personalized investigation, always with deep respect and empathy for the emotional journey of each couple. The goal is to identify the underlying causes of recurrent miscarriages (recurrent pregnancy loss - RPL) through targeted diagnostic testing. Indicative evaluations include:
Detailed reproductive and medical history assessment
Karyotype testing for both partners
Screening for thrombophilia and antiphospholipid antibodies
Comprehensive hormonal and thyroid function tests (TSH, FT4, anti-TG, anti-TPO, progesterone, prolactin)
Uterine evaluation via ultrasound and hysteroscopy
Endometrial microbiome and chronic endometritis testing (EMMA, ALICE)
Screening for subclinical infections (cultures or PCR testing)
Vitamin D levels and metabolic assessment (insulin resistance, glycemic profile)
What Is the Treatment Approach?
At FertUlity, the treatment protocol is always individualized, based on the specific findings of each couple. Depending on the diagnosis, treatment options may include:
Anticoagulant therapy for thrombophilia (e.g., heparin, aspirin)
Hormonal support (progesterone or thyroid hormone therapy)
Intrauterine treatments for inflammation and chronic endometritis
Hysteroscopic surgery for anatomical abnormalities
Preimplantation Genetic Testing (PGT) for selecting healthy embryos
Management of metabolic conditions (e.g., insulin resistance with metformin)
With the Right Plan and Care, Pregnancy Is Achievable
Recurrent miscarriages are not an untreatable condition. In fact, 60–80% of couples facing recurrent pregnancy loss who follow a personalized treatment plan eventually achieve a successful pregnancy and have a child. This is not a matter of luck or belief but of accurate diagnosis and evidence-based medical care.
At FertUlity, we do not promise quick or easy solutions. What we do promise is to listen carefully to your story, investigate the underlying causes in depth, and guide you with empathy, expertise, and scientific precision every step of the way.
Frequently Asked Questions About Recurrent Miscarriages
When Is It Considered Recurrent Miscarriage?
Recurrent miscarriage is defined as the loss of two or more consecutive pregnancies before the 24th week of gestation.
What tests should I do?
The diagnostic evaluation typically includes genetic, immunological, hormonal, anatomical, and infectious testing, depending on the couple’s medical and reproductive history.
What are my chances of getting pregnant?
Success rates vary depending on the underlying cause and the treatment approach. However, the chances of achieving pregnancy increase significantly when even subtle contributing factors are properly identified and addressed.
Can a Miscarriage Be Prevented?
In many cases, early diagnosis of potential risk factors combined with the appropriate treatment can significantly reduce the risk of miscarriage and support a healthy pregnancy.
Our Doctors
In an era where fertility requires knowledge, care, and substantial guidance, FertUlity is not an impersonal clinic. It is two people who look you in the eye and accompany you step by step on the journey you dream of.
Dr. Chrysostomos (Makis) Papadopoulos Obstetrician – Gynecologist, MD, PhDc, MIC I
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Why choose FertUlity?
Because every fertility journey deserves the right support.
At FertUlity, we provide science-based fertility care with a human approach. We support every path, from fertility assessment and preservation to modern assisted reproduction.
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