The Canons of the Council of Ancyra (which canons were accepted and received by the ecumenical synods)
Canon XXI.
Concerning women who commit fornication, and destroy that which they have conceived, or who are employed in making drugs for abortion, a former decree excluded them until the hour of death, and to this some have assented. Nevertheless, being desirous to use somewhat greater lenity, we have ordained that they fulfil ten years [of penance], according to the prescribed degrees.
The Constitution of the Holy Apostles
Book VII.
Concerning the Christian life, and the Eucharist and Initiation into Christ
Sec. I
III. Thou shall not slay thy child by causing abortion, nor kill that which is begotten; for "everything that is shaped, and has received a soul from God, if it be slain, shall be a