The UOC Calendar put out every year states that abortion is a "grievous sin."
Maybe this can put it to rest:http://www.aoiusa.org/2009/09/orthodox-church-supreme-court-brief-on-roe-v-wade/
5. This brief is filed with the blessings of: The American Carpatho-Russian Orthodox Greek Catholic Diocese: His Grace, Bishop Nicholas; V. Rev. Frank P. Miloro, Dean of Christ the Savior Orthodox Theological Seminary; The Anthiochian Orthodox Christian Archdiocese of North America: His Eminence, Most Rev. Metropolitan Philip; Rt. Rev. Antun, Auxiliary Bishop; V. Rev. Peter E. Gillquist, Chairman of the Council of Coordinators, Antiochian Evangelical Orthodox Mission, and member, Worship and Evangelization Committee, National Council of Churches; V. Rev. Jack N. Sparks, Dean of St. Athanasius College; The Greek Orthodox Archdiocese of North and South America: Rt. Rev. Maximos, Bishop of Pittsburgh; Rev. Dr. Stanley S. Harakas, Archbishop Iakovos Professor of Orthodox Theology and Christian Ethics, Holy Cross Greek Orthodox School of Theology; Rev. Dr. Theodore Stylianopoulos, Professor of New Testament and Orthodox Spirituality, Holy Cross Greek Orthodox School of Theology, and member of the Central Committee of the World Council of Churches; Rev. Fr. George A. Alexson, Secretary-Treasurer of the Greater Washington Orthodox Clergy Council, and Pastor, St. Katherine’s Greek Orthodox Church of Northern Virginia; The Orthodox Church in America: His Beatitude Theodosius, Archbishop of Washington, Metropolitan of All America and Canada; Rt. Rev. Peter, Bishop of New York and New Jersey; Rt. Rev. Dimitri, Bishop of Dallas and the South; Rt. Rev. Herman, Bishop of Philadelphia and Eastern Pennsylvania; Rt. Rev. Gregory, Bishop of Sitka and Alaska; Rt. Rev. Nathaniel, Bishop of Detroit and the Romanian Episcopate; Rt. Rev. Job, Bishop of Hartford and New England; Rt. Rev. Tikhon, Bishop of San Francisco; Rt. Rev. Mark, Acting Bishop of Chicago and the Midwest; V. Rev. Leonid Kishkovsky, Secretary of External and Ecumenical Affairs, and President-Elect of the National Council of Churches; V. Rev. John Meyendorff, Dean of St. Vladimir’s Orthodox Theological Seminary, and Professor of Church History and Patristics; V. Rev. Daniel K. Donlick, Dean of St. Tikhon’s Orthodox Theological Seminary; V. Rev. Joseph P. Kreta, Dean of St. Herman’s Orthodox Theological Seminary; V. Rev. Thomas Hopko, Associate Professor of Dogmatic Theology, St. Vladimir’s Orthodox Theological Seminary, and member, Faith and Order Commission of the World Council of Churches; V. Rev. John Kowalczyk, Adjunct Professor of Religious Education and the Christian Family, St. Tikhon’s Orthodox Theological Seminary, and Pro-Life Coordinator of the Diocese of Eastern Pennsylvania; V. Rev. Vladimir Borichevsky, Professor of Moral and Pastoral Theology, St. Tikhon’s Orthodox Theological Seminary; Rev. Fr. Alexander F.C. Webster, Senior Research Associate, Ethics and Public Policy Center, Washington, D.C. (for identification only); Holy Transfiguration Orthodox Monastery, Elwood City, Pennsylvania; Holy Dormition Orthodox Monastery, Rives Eaton, Michigan; The Russian Orthodox Church in Exile: His Eminence, Most Rev. Vitaly, Metropolitan of New York and Eastern America, First Hierarch of the Russian Orthodox Church in Exile; Most Rev. Anthony, Archbishop of Los Angeles and Southern California; Most Rev. Antony, Archbishop of San Francisco and Western America; Most Rev. Laurus, Archbishop of Syracuse and Holy Trinity Monastery, Rector of Holy Trinity Orthodox Seminary, and Abbot of Holy Trinity Orthodox Monastery, Jordanville, New York; Rt. Rev. Alypy, Bishop of Chicago, Detroit, and Midwest America; Rt. Rev. Hilarion, Bishop of Manhattan; Rt. Rev. Daniel, Bishop of Erie and Protector of the Old Rite; Rev. Fr. Alexey Young, Editor of ‘Orthodox America’; Rev. Fr. Gregory Williams, Editor of ‘Living Orthodoxy’; The Serbian Orthodox Church in the United States and Canada: His Grace, Bishop Christopher; The Ukrainian Orthodox Church of America and Canada: His Grace, Bishop Vsevolod.
In addition, this brief is endorsed by: Orthodox Christians for Life—John Protopapas, Co-Founder and Chairman; Rev. Fr. Edward Pehanich, Co-Founder and Spiritual Advisor, and Diocesean Representative for the Carpatho-Russian Orthodox Greek Catholic Diocese; Valerie Protopapas, Educational Director, and Sanctity of Life Director for the Diocese of New York and New Jersey (OCA); and V. Rev. Gordon T. Walker, liaison to the Antiochian Evangelical Orthodox Mission. This brief is also endorsed by: Dr. Lewis J. Patsavos, Professor of Canon Law, and Dr. John Chirban, Professor of Psychology and Counseling, Holy Cross Greek Orthodox School of Theology; Dr. John Erickson, Professor of Canon law and Church History, St. Vladimir’s Orthodox Theological Seminary; the Orthodox Christian Association of Medicine, Psychology, and Religion; the Orthodox Brotherhood of the United States; the National Association of Romanian Orthodox Women in America; and American Romanian Orthodox Youth.