Tell it in love, but tell the truth. The argument, 'No one knows when life begins so we can not make laws based on a religious principle' is unscientific, philosophical claptrap. Life is a continuum. God created life once and it has never been created again. Every living thing has another living thing as its parent, and that is the end of the discussion.
Life comes from life.
The Roe vs. Wade decision is a house of cards, kept in place by evil people to attain and acquire power, not for the betterment of mankind. God bless your work. Dr. Schwarz was originally from Australia. He waged an intellectual battle against Communism of all kinds starting in the early 1930's. He passed away 3 or 4 years ago at well over 80 years of age.