What early Meryl Streep film includes a mother smothering her baby's cry to prevent being detected by soldiers?

There was a story line in the final episode of M*A*S*H that had this in it. Quigley down under. Starring Tom Selleck and Laura San Giacomo. Lauras charactor was deported by her husband to Australia ( Crazy Cora) for smothering their baby while hiding from Indians. You may also want to try Julia from 1977 starring Jane Fonda and Vanessa Redgrave. Meryl Streep was not well known at the time and did not make top billing for her supporting role.