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Recurrent Pregnancy Loss: when insurers say no, reviewers often say yes

In 22 published external-review decisions involving recurrent pregnancy loss, independent physician reviewers overturned the insurer’s denial 18.2% of the time.

Published decisions
22
2001–2026
Overturned
18.2%
4 denials reversed

Most-fought treatments for recurrent pregnancy loss

What insurers denied — and how those fights ended.
CategoryDecisionsOverturned
Intravenous Immunoglobulin5
0%

What the insurer actually argued

Denials fall into different categories, and they don’t succeed equally — so the reason on your letter changes how you should answer it.
Reason givenDecisionsOverturned
Experimental/Investigational
The plan called the treatment unproven. These turn on published evidence, so the appeal is a literature argument.
14
7.1%
Medical Necessity
The plan said the care wasn’t medically necessary. The most common fight, and the most winnable.
7
42.9%
Typical time to a decision
21 days
Most land between 19 and 23 days
Handled as urgent
13.6%
Expedited when a delay would cause harm
What the reviewers wrote
Excerpts from the independent reviewers’ published findings — the actual reasoning, quoted, not summarised.

Where the denial was overturned

Nature of Statutory Criteria/Case Summary: A patient has requested reimbursement for in vitro fertilization (IVF) services: follicle puncture for oocyte retrieval, insemination of oocytes, sperm isolation; complex prep (eg Percoll gradient, albumin gradient) for insemination or diagnosis with semen analysis, oocyte identification from follicular fluid, ultrasonic guidance for aspiration of ova, imaging supervision and interpretation, the culture of oocyte(s) embryo(s) less than 4 days, cryopreservation; embryo, biopsy, oocyte polar body or embryo blastomere, micro technique (for pre-implantation genetic diagnosis) less than or equal to five embryos, and biopsy, oocyte polar body or embryo blastomere, micro technique (for pre-implantation genetic diagnosis) greater than five embryos Findings: The physician reviewer found that the patient clearly meets the guideline definition of infertili…
Medical Necessity · 2025 · IMR MN25-44251
Nature of Statutory Criteria/Case Summary: A patient has requested authorization and coverage for (1) chromosome analysis and/or (2) fibrillin-1 (FBN1) gene testing. Chromosomal microarray may be indicated following a workup for recurrent pregnancy loss that is non-diagnostic. In this case, the records document that the patient’s partner has undergone a workup for pregnancy loss which was nondiagnostic. Therefore, (1) chromosome analysis is likely to be more beneficial for evaluation of the patient’s condition than any available standard therapy. Per the submitted documentation, the records do not demonstrate a high enough score on the revised Ghent criteria, lens dislocation, or aortic root dilation, which would be indications for genetic testing for Marfan syndrome.
Experimental/Investigational · 2025 · IMR EI25-43856

Where the denial was upheld

Worth reading too — these show what an appeal has to overcome.
Physician 1: The patient is a 23-year-old female who has experienced repeated early pregnancy losses and then underwent evaluation and treatment for recurrent loss. Evaluation included a borderline positive ANA, no evidence of thyroid antibodies, no immune reaction to her partner’s antigens and heterozygosity of MTHFR. There is no evidence the patient was tested for Factor V Leiden mutation, prothrombin gene mutation, lupus anticoagulant, or anticardiolipin antibodies (ACA).The patient was treated with IVIG, Humira, Lovenox, and low dose aspirin for her most recent pregnancy, which was carried to term.Review of the submitted clinical information reveals no documentation of significant autoimmune disease or thrombophilia. The low positive ANA (which was intermittently negative) does not cause pregnancy loss or require treatment.
Experimental/Investigational · 2005 · IMR EI05-4525
An enrollee’s medical history included recurrent pregnancy loss. The enrollee suffered miscarriages. She had operative hysteroscopy, polypectomy, and removal of possible products of conception and D&C (Dilation and Curettage). The enrollee’s provider indicated that due to the complex nature of the enrollee’s diagnosis, and the couple’s desire to become pregnant, the enrollee had the four laboratory services at issue performed to assess the cause of the enrollee’s recurrent pregnancy losses.Analysis and Findings: Three physician reviewers found that the American Society for Reproductive Medicine stated that routine testing of women with recurrent pregnancy loss (RPL) for inherited thrombophilias is not currently recommended.
Experimental/Investigational · 2019 · IMR EI19-30398

Figures and quotations on this page come from 42,749 published decisions in the California DMHC Independent Medical Review dataset. These are California outcomes — every state runs an equivalent external review, but the rates here are California’s. Excerpts are quoted verbatim from the public record and describe this condition generally, not any individual case.

How to use this in your appeal

These outcomes come from California’s external review program — an independent physician panel whose decision binds the insurer. Every state has an equivalent, and internal appeals succeed even more often. If your care for recurrent pregnancy loss was denied, the published record says the denial is worth fighting.

SOURCE: CALIFORNIA DMHC INDEPENDENT MEDICAL REVIEW OUTCOMES (CHHS OPEN DATA) · DERIVED AGGREGATE STATISTICS ONLY · METHODOLOGY

Not legal or medical advice. Coverage Rights is a self-help tool that helps you prepare your own appeal. For advice about your specific situation, talk to a licensed attorney or your doctor.

Fighting a denial for recurrent pregnancy loss? 18.2% won.

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