HealthNet in particular appears to be prone to decline coverage for preexisting conditions. All insurers currently do this, though, so unless you're a single man in your 20's, getting insurance on the private market is a royal bitch.
To get a feeling for the problem, consider that common reproductive health issues in women, like endometriosis or uterine fibroids, are both extremely prevalent and actuarially unacceptable to insurers (they correlate with expensive surgical interventions, which aren't common but are common enough for insurers to wave women off).
To get a feeling for the problem, consider that common reproductive health issues in women, like endometriosis or uterine fibroids, are both extremely prevalent and actuarially unacceptable to insurers (they correlate with expensive surgical interventions, which aren't common but are common enough for insurers to wave women off).