Pope Paul VI, born Giovanni Battista Enrico Antonio Maria Montini, has been crucial to the clarification of Roman Catholic views on embryos and abortion in recent history. His 1968 encyclical "Humanae Vitae" spoke to the ...

Pope John Paul II's views on abortion and embryology have been very influential to the Roman Catholic Church. He strictly forbade abortion and other threats to what he regarded as early human life in his encyclical entitled ...

Pope Innocent XI, born Benedetto Odescalchi, made considerable contributions to the Roman Catholic approach to embryology by condemning several propositions on liberal moral theology in 1679, including two related to ...