Total disaster. Any state with a Democratic government would repass it on the state level, still millions would lose their health insurance and thousands would die directly attributable deaths.
Also, only a few pages of the 3,000+ in the law are controversial, so a whole lot of administrative things would suddenly be gone without any obvious path forward.
That, mixed with Roe v. Wade being formally or de facto ignored would massive demographic problems in the 5 to 15 years, and perhaps 20 to 30 years, after it is done. The 2020s and 2030s could be chaos. People would be seeking refuge from neglect or oppression wherever they could.