Abortion: What Both Sides Are Protecting

Sarah is 29. At nineteen weeks of a very wanted pregnancy, her anatomy scan found a condition called anencephaly — the baby's skull had not closed over the brain. The condition is invariably fatal; infants born with it survive, if at all, for hours or days. Sarah lives in a state that requires hospital committee review for any abortion past fifteen weeks. She is not choosing between her life and a child. She is not asking to end a healthy pregnancy. She is asking who has the right to decide whether she carries to term a baby who will die in her arms, or ends the pregnancy now. She spent three weeks waiting for the committee to convene. When she arrived at the hospital for the procedure, she passed protesters with signs that said Stop the killing.

Elena is 54. She has worked labor and delivery for twenty-three years. She has held infants born at twenty-three and twenty-four weeks who survived — who are, as she speaks, eleven-year-olds with full lives ahead of them. She has watched a fetus respond on ultrasound to sound, to touch, to light. She knows that the question of what constitutes a person is genuinely hard and that she cannot resolve it philosophically. But she cannot resolve the moral difference between the twenty-three-week infant she helped stabilize in the NICU and the twenty-three-week fetus terminated in the same hospital because of a different room and a different set of decisions. The law, she thinks, is drawing a line somewhere near birth that doesn't track any biological threshold she can identify.

They are both responding to something real.

What the reproductive rights position is protecting

Bodily autonomy as a foundational claim on which rights rest. The liberal tradition's strongest case for abortion access rests not on the question of whether the fetus is a person but on the limits of what the state can compel from a person's body. Philosopher Judith Jarvis Thomson's landmark 1971 essay "A Defense of Abortion" made this argument with deliberate clarity: imagine you wake up connected to a famous violinist who will die if disconnected before nine months. Even granting that the violinist has full moral status as a person, Thomson argues, the state cannot compel you to remain connected. You cannot be legally required to donate a kidney to a dying child who will otherwise perish. You cannot be required to donate blood. Pregnancy is not passive — it is sustained, physical contribution by one human organism to another, and the question of whether the state can mandate that contribution is not settled merely by establishing the fetus's moral status. Most pro-life advocates respond that parents have special obligations that strangers do not — that the violinist analogy fails because parents chose to create the child. This is a genuine response, but it requires defending a specific claim: that the obligation kicks in at conception and that no circumstances (rape, contraceptive failure, youth, financial precarity) modify it. That claim is what's actually being contested. The reproductive rights tradition is protecting the principle that a person's body is not available to the state as an instrument for sustaining another life, however morally valuable that life may be.

The real-world consequences of criminalization. When abortion is illegal, abortions do not stop — they stratify by class and health. Before Roe v. Wade, wealthy women flew to other states or countries; poor women encountered unsafe providers or attempted to self-manage, and died in significant numbers. The CDC estimates that in 1965, seventeen percent of recorded pregnancy-related deaths were attributable to illegal abortion, and that figure was likely an undercount. Since the Dobbs decision in 2022, which returned abortion regulation to states, researchers have documented delays in care for miscarriage and ectopic pregnancy in restrictive states — cases where doctors, fearful of prosecution, waited for conditions to worsen before intervening. A 2023 JAMA study documented a sharp increase in abortion-related morbidity in states with total bans. Obstetricians have left states with restrictive laws. Women have traveled six hundred miles to access procedures. The practical question is not whether abortion is a moral good but whether criminalization produces the outcomes its advocates intend — and what the costs are, distributed unequally across women who have different resources and different luck. The reproductive rights tradition is protecting the recognition that moral argument and policy consequence are both real, and that a policy which produces more maternal death and suffering without preventing abortion cannot be defended on the grounds that it is protecting life.

Women's equal citizenship as a political claim. Justice Ruth Bader Ginsburg, who dissented in Planned Parenthood v. Casey from the majority's framing of abortion as a privacy right, consistently argued that reproductive rights are equality rights: a woman who cannot make decisions about when and whether to continue a pregnancy cannot make reliable commitments to employers, to educational institutions, to the civic and economic roles that full citizenship requires. This is a different argument than bodily autonomy — it is about what conditions make equal participation possible. Men face no equivalent biological constraint on their economic participation; the decision whether to become a parent has, for men, been decoupled from their bodies in a way that pregnancy has not decoupled it for women. A regime that mandates pregnancy is not neutral between the sexes in its distributional effects, and the tradition argues that whatever moral weight fetal life carries, it cannot be placed entirely and exclusively on women's bodies without treating those bodies as differently available to state control than men's. The reproductive rights tradition is protecting the principle that full citizenship requires equal freedom from biologically-based state compulsion.

What the pro-life position is protecting

The moral status of a developing human life. The core claim of the pro-life tradition is not about women's autonomy in the abstract — most pro-life advocates support women's rights in all other contexts. The claim is about the presence of a third party. From the moment of fertilization, there exists a unique human organism with its own genetic constitution, developing continuously along a trajectory that, if not interrupted, leads to personhood. No threshold after fertilization is less arbitrary — viability changes with medical technology; sentience is hard to locate precisely; birth is a change of location, not a change in what the organism is. Don Marquis's 1989 philosophical paper "Why Abortion Is Immoral" made the secular case: what makes killing wrong is depriving a being of its "future like ours" — the experiences, relationships, and goods that would have constituted its life. A fetus has such a future. Ending that future is, on this account, the same category of wrong as ending the future of a five-year-old, not because the fetus is currently experiencing anything, but because the fetus is the kind of entity that will. The pro-life tradition is protecting the claim that moral status cannot be withheld from human organisms simply because they are at an early or dependent stage of development — and that a civilization's willingness to protect the most vulnerable is a measure of its moral seriousness.

Solidarity with those who cannot advocate for themselves. A recurring strand in the pro-life tradition — most developed in Catholic social teaching but present in secular human rights frameworks — frames abortion as a justice question about power asymmetry: who speaks for those who have no voice? The fetus cannot consent to being ended; it cannot organize, petition, or advocate. This argument sits in the same family as arguments for protecting other vulnerable classes who cannot advocate for their own interests. The disability rights tradition has complicated the abortion debate from within: prenatal diagnosis followed by termination for chromosomal conditions like Down syndrome is, in some accounts, on a continuum with the devaluation of disabled lives — a claim that Adrienne Asch and others have pressed with care and rigor, noting that the logic used to justify abortion for disability ("this would be a diminished life") would not be acceptable as a basis for ending an existing disabled person's life. The pro-life tradition is protecting the principle that membership in the moral community cannot be conditioned on developmental stage, capability, or someone else's judgment about the quality of a life.

A vision of social solidarity as the alternative to elimination. The most coherent pro-life position — one that is often obscured by its association with partisan politics — holds that crisis pregnancy should be met with generous social support, not the removal of the pregnancy. Catholic social teaching's consistent-life ethic opposes abortion alongside capital punishment, unjust war, and the abandonment of the poor; the argument is that a society which offers abortion as the solution to crisis pregnancy is declining to actually solve the problem. A seventeen-year-old with an unintended pregnancy needs housing support, healthcare, childcare, and economic stability — not the option to end the pregnancy as a substitute for those things. Writers like Elizabeth Bruenig have pressed this position from a feminist and socialist perspective: the reproductive rights framework has been, in some of its political forms, more successful at providing abortion access than at transforming the economic and social conditions that make crisis pregnancy devastating. The pro-life tradition, at its most serious, is protecting a vision of social life in which no one is put in a position where ending a pregnancy feels like the only realistic option — a vision that, if taken seriously, would require far more social provision than most abortion opponents actually support.

What the argument is actually about

The threshold problem that philosophy has not solved. When does a human organism acquire the moral status that generates rights against being killed? This is not a question science can answer. Science can describe what happens when — cell division, neural development, cortical maturation, the onset of fetal pain (contested, probably around twenty-eight weeks), viability outside the womb. But when those biological developments become morally significant is a philosophical question, not a biological one. Fertilization is a real threshold but an arbitrary one as a basis for full moral status: sperm and egg are also alive and human; the fertilized egg has high natural failure rates and frequently fails to implant. Viability is real but contingent on medical technology and will continue to move earlier as neonatology advances. Birth is a genuine change in situation but not obviously in kind. Sentience is philosophically compelling but requires evidence about fetal experience that is genuinely uncertain. No position in this debate rests on settled science — all of them rest on a prior philosophical commitment about what grounds moral status, and the public debate almost never names that prior commitment explicitly. Certainty on either side should be treated as an ideological marker, not an epistemic one.

Two genuine rights in conflict. The hardest version of the abortion debate is not the easy case where the fetus is clearly not a person (early first trimester) or the easy case where the woman's life is in immediate danger. It is the case where both claims are real: a fetus with moral status, and a woman with a right to bodily autonomy that the state is being asked to override. Thomson's violinist argument forces this: it tries to show that even granting full fetal personhood, abortion can be permissible. Most pro-life advocates reject the analogy on the grounds that parental responsibility is distinctive — that you cannot simply decline an obligation to a being whose dependence you caused. This is a legitimate response. But it requires a specific account of parental obligation: that the obligation to sustain a fetus with your body begins at conception, runs through the full pregnancy regardless of circumstance, and is not modified by how the pregnancy originated. That account is not self-evidently correct — it is a substantive moral position that needs to be defended. The abortion debate is, at bottom, a debate about what parental obligation requires and whether bodily autonomy can override it. Neither answer is obvious. Both answers are internally coherent. The people arguing most loudly often seem to have forgotten that the other side is responding to something philosophically real.

Whose uncertainty costs what. Even if we cannot resolve the philosophical question of fetal moral status, we face a second question: given that uncertainty, what does justice require? The costs of the disagreement are not symmetrically distributed. A ban on abortion in response to uncertain fetal personhood imposes certain, immediate, bodily harms on living women: delays in medical care, forced continuation of dangerous or grief-laden pregnancies, loss of economic and civic participation, risks that fall disproportionately on women with fewer resources. The costs of permitting abortion in response to uncertain fetal personhood impose potential harm on entities whose moral status is contested. This is a genuine asymmetry that a just political community must reckon with — the certainty and distribution of harm on one side compared with the uncertainty and metaphysical nature of the claim on the other. It doesn't resolve the question, but it changes what epistemic humility requires. A policy of abortion restriction adopted in the name of protecting uncertain life is, in practice, a policy of certain harm to definite persons distributed unequally by class and race. The pro-choice tradition is protecting the recognition that moral uncertainty does not license the imposition of its costs entirely on women's bodies. The pro-life tradition is protecting the recognition that moral uncertainty should not license the treatment of developing human life as having no claim at all. Both are right about what they're protecting. The question of how to weigh them against each other has no clean answer — which is exactly why this debate has not been settled in fifty years of intense argument, and will not be.

What's beneath the surface: a genuine philosophical dispute about when human organisms acquire moral status, running into a genuine conflict between bodily autonomy and the protection of dependent life, filtered through political coalitions that have made it nearly impossible to hold both concerns simultaneously. Sarah and Elena are not confused. They are responding to different parts of a problem that has no resolution available to people who don't share premises about personhood, obligation, and whose uncertainty costs what.