Jody Duffy, a former U.S. Army officer, is responding to a new bill Democrats in Congress have filed that would re-institute a Clinton-era policy that allowed abortions at taxpayer-funded U.S. military base hospitals.

Current law in effect since 1996 prohibits the performance of abortion by Department of Defense medical personnel or at DOD medical facilities. A separate provision prohibits the use of DOD funds for abortion except to save the life of the mother. But the MARCH for Military Women Act would lift the current bans and abortion advocates have tried for years to force military base hospitals to do abortions on female service members.

Duffy, a retreat leader for Rachel’s Vineyard, a post-abortion healing program that is part of Priests for Life, writes in a new opinion column in the Los Angeles Times that lawmakers should oppose the legislation...