Sorry for the delay in responding (working 10-11 hour days). I'm not really pushing for a custody change, though I'd certainly welcome it. What I am pushing for, or trying to push for, is transparency. Exactly one-third of my CS is half of the money she is supposedly giving her sister ($500/month) to watch my son during the day. However, I'm not allowed to go by her sister's place to pick him up or drop him off and I have no contact with her sister, even before I petitioned the court. So I'm paying for a service but I have no means of contacting the person performing that service and that person doesn't contact me when my child is injured. I also have no means verifying that the money I'm paying for that service is indeed being used to support the person(s) providing that service. Having said that, I doubt she's genuinely struggling to pay her bills. Rather, I suspect that I am being charged for a service she's getting for free and, instead of using that extra money to pay his medical expenses, she's using the money to make personal purchases.
Regarding my son's medical history, he doesn't really have any major concerns. He was diagnosed with asthma about a year and a half ago and that diagnosis was related to her failure to be transparent and honest with the doctor (she lied to the doctor about her father's smoking habit and I have medical records that prove it). One of the ER visits was for a supposed fall that took place in her sister's care but the facts surrounding the incident are disturbing, to say the least, and they both made a significant effort to sweep it under the rug. His transfer to another PCP came immediately after I notified her that I would be petitioning the court and I had to provide the PCP with court papers to obtain his records as they'd never heard of me. He's been to the doctor on numerous occasions and prescribed medicine and I was never told of the visits or the medicine he was prescribed. If you like, I'm happy to provide details some of the incidents to give you a clearer picture of what's going on. In any case, the lack of transparency and her apparent insolvency are not only inhibiting my ability to support my son financially but have also put into jeopardy *both* our rights to raise our son.