10 conservative states refused Medicaid expansion passed under the Affordable Care Act, depriving millions of Americans, including many children, of access to regular medical care.

Conservatives refuse to pass gun legislation that would protect children, even though firearms are the leading cause of death among children.

They have proposed cuts of 22% that would undermine nutrition assistance programs, Housing Choice Vouchers, and the Head Start program promoting childcare funding for families in need.
Source: https://www.whitehouse.gov/omb/briefing-room/2023/04/20/congressional-republicans-legislation-22-cuts-that-would-harm-american-families-seniors-and-veterans/

In 2021, they voted against child allowance ($300 per child under six, and $250 per child from six through 17).

They recently blocked reallocating unused pandemic funding for child-care subsidy programs.

They do not support universal school lunch to protect children from hunger.

The Red states that have rolled back abortion access are those that have not developed robust programs to support families and consequently have the poorest families in the country.

I could keep going… let me know if you would like to see a full 2000 word article on this subject.