▁of ▁the ▁Pont ific al ▁Council ▁for ▁Life , ▁said ▁in ▁an ▁article ▁entitled ▁" The ▁Emb ry o : ▁A ▁Sign ▁of ▁Con trad iction ": ▁ ▁We ▁need ▁only ▁look ▁at ▁the ▁data ▁bank ▁of ▁bio eth ical ▁and ▁medical ▁writing ▁on ▁the ▁subject ▁to ▁see ▁how ▁this ▁is ▁so . ▁In ▁the ▁years ▁ 1 9 7 0 - 1 9 7 4 ▁more ▁than ▁five ▁hundred ▁works ▁dealing ▁with ▁the ▁bi omed ical ▁aspect ▁of ▁the ▁question ▁existed , ▁and ▁there ▁were ▁ 2 7 ▁works ▁of ▁a ▁philosoph ical - the ological ▁character . ▁In ▁the ▁years ▁ 1 9 9 0 - 1 9 9 4 ▁there ▁were ▁nearly ▁ 4 , 2 0 0 ▁works ▁on ▁the ▁bi omed ical ▁dimension ▁of ▁the ▁subject ▁and ▁ 2 4 2 ▁on ▁the ▁philosoph ical - the ological ▁aspect ▁of ▁the ▁debate . ▁A ▁quot ation ▁from ▁one ▁of ▁the ▁F athers ▁of ▁the ▁Church , ▁T ert ul li an : ▁" hom o ▁est ▁qui ▁vent urus ▁est ." ▁[ trans : ▁he ▁who ▁will ▁become ▁man ▁is ▁man ] ▁From ▁the ▁moment ▁of ▁fert il ization ▁we ▁are ▁in ▁the ▁presence ▁of ▁a ▁new , ▁independent , ▁individual ized ▁being ▁which ▁develop s ▁in ▁continuous ▁fashion . ▁ ▁Sac red ▁things ▁as ▁signs ▁of ▁contradiction ▁ ▁The ▁S hr oud ▁of ▁Tur in , ▁an ▁image ▁viewed ▁by ▁some ▁Christians ▁as ▁a ▁mi rac ul ous ▁im print ing ▁of ▁the ▁image ▁of ▁Jesus ▁on