When “Everything Looks Normal” but You Keep Miscarrying
Recurrent pregnancy loss can feel like a painful loop you cannot step out of. You do the tests, you do the procedures, you hear that everything looks fine, then you experience another loss. It can leave you wondering what is wrong with your body and why no one seems to have answers.
Many standard IVF and fertility workups are built to look at the big, obvious problems. Chromosomes, hormone levels, and anatomy are important pieces of the puzzle, but they are not the whole picture. For many people, the reasons for repeated loss are quieter, more subtle, and spread across several body systems at once.
We see recurrent pregnancy loss as something that often has multiple causes, not just random bad luck. When we look more deeply in an integrative way, we can often uncover contributors that are not checked in a typical clinic workup.
This article walks through some of the areas your IVF clinic may not be testing for in recurrent pregnancy loss, why they matter, and how you can start asking more targeted questions about your care.
Beyond Chromosomes
Most IVF clinics are very good at assessing embryos and basic lab work. Tests like preimplantation genetic testing (PGT) and parental karyotyping look at the chromosomes. Basic hormone and thyroid labs check for large imbalances. These are all useful, and in many cases they are enough.
But if you keep hearing things like “your embryos look good” or “your labs are fine” and you still miscarry, it is reasonable to suspect that something else is going on. Healthy-looking embryos still need a stable, welcoming environment in order to implant and grow.
Some key areas that are often under-tested include:
- Immune system balance and silent autoimmunity
- Blood clotting and microcirculation issues
- Uterine environment, including lining quality, blood flow, and microbiome
- Deeper metabolic and inflammatory markers
In our experience, recurrent pregnancy loss rarely comes down to a single dramatic issue. It is more common to see mild problems in several systems that add up. On their own, each one looks “not that bad.” Together, they create a fragile foundation for early pregnancy.
Immune and Inflammation Factors That IVF Often Misses
For a pregnancy to continue, your immune system has to do something quite special. It has to protect you while also learning to tolerate an embryo that is genetically half “non-self.” If that balance leans too far in one direction, implantation and early growth can be affected.
Many standard IVF panels do not look closely at immune and inflammation markers such as:
- Subclinical autoimmunity, like mild thyroid antibodies, that do not yet cause clear disease but may still affect implantation
- Natural killer (NK) cell activity and other immune cell patterns that can be too reactive at the uterine level
- Chronic low-grade inflammation, including markers like high-sensitivity C-reactive protein (CRP) or certain inflammatory cytokines
Research in this area is still growing. Not every test is fully standardized, and not every clinic agrees on how to treat specific findings. But ignoring immune and inflammatory health altogether can leave an important blind spot for people with recurrent pregnancy loss.
A Naturopathic, fertility-focused approach steps back and asks: What might be poking at the immune system over time? We often look at:
- Gut health and digestion
- Silent or recurrent infections
- Nutrient status
- Stress load and sleep quality
- Environmental triggers, such as certain chemicals or allergens
When we identify possible immune or inflammatory drivers, there are often concrete steps that can be part of a care plan. These might include targeted nutrition, specific supplements, support for sleep and stress, and in some cases medications prescribed in collaboration with other clinicians. The goal is to calm the background “static” so the uterine environment is as steady and welcoming as possible before the next embryo transfer or conception attempt.
Uterine Microbiome, Fertile Soil, and Hidden Infections
Think of the uterus like a garden bed. The embryo is the seed. The lining and the microbiome, the mix of bacteria that live there, are the soil. If the soil is balanced, rich, and calm, a seed has a much better chance to take root. If the soil is irritated or dominated by less friendly bacteria, even a high-quality seed can struggle.
Many IVF clinics will check for things like fibroids, polyps, or a uterine septum. These are physical issues that show up on imaging. What often does not get checked is the microscopic layer, such as:
- Endometrial microbiome balance, including whether Lactobacillus species are dominant or if other bacteria are overgrown
- Chronic endometritis, a low-grade, often symptomless inflammation or infection of the uterine lining
- Subtle pockets of fluid or irritation that may not be obvious on routine ultrasounds
These problems are easy to miss. People may have no pelvic pain, normal bleeding patterns, and negative standard STI screens. On the surface, everything appears fine.
Targeted testing can include advanced swab or biopsy-based assessments of the endometrium. When an imbalance or chronic endometritis is found, treatment might involve:
- Short-term, specific antibiotic protocols when appropriate
- Support to restore a healthy microbiome, such as evidence-informed probiotics
- Attention to vaginal and gut health to support more “fertile soil”
For some people with recurrent pregnancy loss, supporting this hidden layer of the uterine environment is the missing piece between “perfect embryos” and an ongoing pregnancy.
Metabolic, Hormonal, and Blood Flow Clues Often Overlooked
Recurrent pregnancy loss is not only about reproductive hormones. The way your whole body handles blood sugar, cholesterol, and clotting can strongly affect early pregnancy.
Commonly overlooked or under-tested areas can include:
- Subtle insulin resistance or early metabolic shifts, even when fasting glucose looks normal
- More detailed thyroid assessment, such as free hormones and antibodies, especially when cycles, mood, or energy feel off despite “normal” basic labs
- Blood clotting and microcirculation markers, such as thrombophilia panels or homocysteine, that may affect blood flow to the placenta
These issues may not stop conception. Instead, they can show up later as early implantation problems, poor placental development, or repeated early loss.
A root-cause-oriented approach treats things like nutrition, body composition, movement, sleep, and stress as medical factors, not just lifestyle add-ons. Generally, we want to support:
- Steadier blood sugar levels
- More balanced hormones
- Better circulation and oxygen delivery
Shifting these foundations can be an important part of preparing for a future transfer or natural conception.
How to Advocate for Deeper Testing and Next Steps
If you feel stuck in “everything is normal” yet continue to miscarry, it is reasonable to ask for more. You are not being difficult or demanding; you are being an active partner in your care.
Some ways to start these conversations with your fertility team include bringing a written list of questions, such as:
- With my history of recurrent pregnancy loss, have we fully assessed immune function and low-grade inflammation?
- Have we considered testing for uterine microbiome balance or chronic endometritis?
- Have we looked at clotting factors, homocysteine, or more detailed thyroid and metabolic markers?
- Is there anything in my history that makes you think about blood flow or microcirculation issues?
It can also be helpful to bring a clinician onto your team who is trained in Naturopathic and fertility-focused care. This kind of support can help weave together immune health, microbiome balance, metabolic function, and IVF protocols into one integrated plan.
Dr. Patti Yik works with people who feel like they have done “all the tests” yet still have unanswered questions about recurrent pregnancy loss. By taking the time to listen carefully, review existing results, and consider deeper layers of testing where appropriate, we aim to bring more clarity and a sense of direction to your next steps.
Take The Next Step Toward Personalized Support And Answers
If you are navigating recurrent pregnancy loss, we are here to help you understand your options and create a plan tailored to your unique situation. Dr Patti Yik takes the time to listen, investigate underlying causes and recommend evidence-based treatments that respect your values. If you are ready to explore your next steps or have questions about your care, please contact us so we can support you.