The nonpartisan Congressional Budget Office issued a report on the likely effects of Trumpcare.

It said it would save over $300 billion but 14 million Americans would have no health insurance next year. And by 2026, 24 million fewer Americans would have health insurance.

The GOP disagreed with the estimates.

CBO report: 24 million fewer insured by 2026 under GOP health care bill
http://www.cnn.com/2017/03/13/politics/cbo-report-health-care/index.html

Since those losing health insurance will be poor and working-class families, expect these changes to have a negative effect on children.