Neil wrote: Many avowedly conservative churches today are atheists in practice, if not preaching.
Pastor Kevin Swanson (OPC) stated during his Sunday SA "Exhortation" that the Trinity wasn't formulated until the 3rd Century, but a 100% prolife position has always been, even from the outset, a mark of Christianity.
If your pastor has gone on record against the HHS Abortifacient Mandate, your fear of falling into atheism is unfounded. If he's been mute, you'll want to find out why.