The difference is that left undisturbed the life that is growing inside your womb will develop everyday until it's delivered. That's a human being and as long as u don't kill it it will grow old and live it's life. A miscarriage will not . The free will of women to make those decisions assumes that since it's their body that they will act responsibly. Abortions and responsible body management do not go together. Roe v Wade is about to become history ...