WASHINGTON (AP) — President Barack Obama and first lady Michelle Obama are meeting with mothers in the Oval Office to promote the president's health care law.

The White House says Wednesday's meeting will focus on ways the law can benefit families. White House spokesman Jay Carney says moms are a key part of the administration's outreach because they play a major role in helping their family members, peers and adult children sign up for health insurance coverage.

Mrs. Obama will also appear on three African-American radio shows to encourage Americans to enroll.

The Obama administration needs millions of Americans — especially younger, healthy people — to sign up through new exchanges to keep prices low. Insurance sign-ups through the exchanges have been hindered in the first months by widespread website problems.