I voted option one in the poll as justified by the facts of the matter.
The ethics question regarding abortion exists solely because a prenatal (a ZEF) is a human: a unique differentiated living organism of the homo sapiens species at that human's very young age of existence.
Were that not the case, were the entity in question being aborted not a unique differentiated living organism or of the homo sapiens species, there would be no issue of ethics with abortion.
Abortion has at best approached ethicalness but has not objectively reached it from society's perspective as a whole.
Factors contributing to abortion moving toward being ethical are ignorance, denial, desensitization, politicking, population management concerns, dog-eat-dog socioeconomics, lack of sufficiently safe, convenient, and effective conception prevention pharmaceuticals, quick-fix mentality, epistemological sophistry, utilitarianism, lack of a belief in a rewarding afterlife, Roe v. Wade, Webster v. Reproductive Health Services ...
Factors contributing to abortion moving further away from being ethical are education, awareness, scientific discoveries, medical advancements in woman/prenatal care, politicking, development of new state-of-the-art safe, convenient, and effective conception prevention pharmaceuticals now in FDA testing, ontology, epistemological honesty, stoicism, belief in a rewarding afterlife, Roe v. Wade, Webster v. Reproductive Health Services ...
To say that there are circumstances at present where abortion is truly ethically acceptable is inaccurate. Circumstantially, abortion is ethically tolerable which does not really mean truly acceptable.
It is unethical to purposely terminate the life of any prenatal human (a ZEF) unless a justifying scenario exists.
If a real life-or-death struggle exists solely between the woman and the prenatal, then we tolerate abortion as a Darwinian survival-of-the-fittest act. Diagnosis of such is ethically made by licensed medical professionals in the relevant field.
When a minor is raped and conception occurs, it is again generally considered tolerable to abort.
When an adult is raped and conception occurs, it is again generally considered tolerable to abort, though this instance is not without reasonable argumentation to the contrary.
Non life-or-death struggles between the woman and the prenatal in which the woman's life is not in danger but her health is jeopardized come in two general varieties: 1) serious and permanent, and 2) not serious or permanent. In the former 1), abortion is debatably considered tolerable/intolerable and the jury remains out; in the latter 2), completely intollerable. Regardless, diagnosis of such is ethically made by licensed medical professionals in the relevant field with respect to reasonable experiences common in pregnancy.
Abortion due to prenatal condition/defect is hotly debatable with regard to being ethically tolerable, depending on the very nature of the condition/defect.
Abortion as a form of birth control when none of the aforementioned scenarios are in play and for any reason (convenience, economics, career, bio-father protestations, etc.) is completely intollerable ethically, and it doesn't matter the age of the prenatal.
Laws exist that provide for abortion in ethically tolerable situations, and laws exist that both prevent and provide for abortion in ethically intollerable situations. Sometimes the same law does both.
Regardless, the presense or absence of a specific law on abortion does not speak to the ethics of abortion, as such ethics are sociological in foundational nature, not legal. Law is frequently slow in catching up.