If the United States applied the legal definition of a person to developing humans, known as embryos and fetuses this would give them the rights and privileges that all homo-sapiens are afforded.
...Any human being is a man, whether he be a member of society or not, whatever may be the rank he holds, or whatever may be his age, sex, &c... 1 Bouv. Inst. n. 137.
This is the time to speak for the ones unable to speak for themselves.