A classic musical number is in order here.
Why should women get any mention by stating that life begins at conception - it's a man's world so life begins at ejaculation and if there are no ovum around to get impregnated by that precious and godly sperm then it is the woman's fault. This is the madness that the GOP and their supporters describe as logical and reasonable because that's how their god willed it, according to their interpretation of their magical, fairy tale book.