ORIGINAL RESEARCH · 15 AUGUST 2026
Four states mandate IVF coverage and have one clinic or none
A legal right to coverage is not the same as somewhere to use it. Across the 422 fertility clinics that report to the CDC, insurance law turns out to be a poor predictor of whether there is a clinic near you — and in four states, the right exists where the clinics don't.
Half the country's clinics are in six states
51% of reporting U.S. fertility clinics sit in just six states, and 61% in ten. That concentration is not surprising on its own — clinics follow population. What matters is the other end of the distribution.
11 states have one clinic or none
Montana and Wyoming have no reporting fertility clinic at all. Another 9 have exactly one — which means no second opinion, no choice of protocol, and a drive across a state line for anyone who wants either.
- 0 Montana limited mandate
- 0 Wyoming no mandate
- 1 Alaska no mandate
- 1 Arkansas IVF coverage mandated
- 1 Idaho no mandate
- 1 Maine IVF coverage mandated
- 1 Nebraska no mandate
- 1 New Hampshire IVF coverage mandated
- 1 North Dakota no mandate
- 1 Rhode Island IVF coverage mandated
- 1 South Dakota no mandate
The finding: the right and the clinic don't line up
4 of those states — Arkansas, Maine, New Hampshire, Rhode Island — legally require insurers to cover IVF. A patient in each has a statutory right to coverage and, at most, one clinic in which to exercise it.
We expected the opposite pattern. The intuitive story is that mandate states, where treatment is paid for, should support more clinics. Across the whole country that story does not hold up. Mandate states average 12.5 clinics against 4.9 in states with no mandate — but the medians are close: 5 against 4.5. The average gap is carried almost entirely by California and New York, which are simply large. Once size is accounted for, coverage law does not predict clinic supply.
Clinic supply tracks population, not insurance law. Mandating coverage does not conjure a clinic.
That has a practical consequence for anyone reading a state-by-state insurance guide, including our own: a mandate tells you what your insurer owes you, not how far you will drive. Both questions have to be answered before you can plan a cycle, and they have different answers in different places.
What this analysis does not show
- Clinic counts are not capacity. One large clinic can run more cycles than three small ones. The CDC publishes cycle volumes per clinic, and a capacity-weighted version of this analysis would be a better measure of access.
- State lines are not travel times. A patient in southern New Hampshire is close to Boston. A patient in eastern Montana is not close to anything. State-level counts flatter dense, small states and punish large, empty ones.
- Reporting clinics only. These are clinics that report to the CDC's federally mandated registry. A small number of clinics perform ART without reporting, and they are not in this count.
- No causal claim. This is a cross-sectional look at one year. It shows that the two things do not line up; it does not show that either causes the other.
Get the data
Every state, its reporting clinic count, and its insurance mandate category, as a single CSV — free to use with attribution.
Method. Clinic counts are open, reporting clinics in the CDC National ART Surveillance System, counted by the state of the address each clinic reports. Mandate categories come from our state coverage-law dataset, last reviewed 2026-08-04. Every figure on this page is computed at build time from those two files; none is typed by hand. The code that produces this page is the method.