s ▁into ▁tears . ▁Jon ny ▁later ▁performs ▁an ▁ul tras ound ▁scan ▁on ▁Jac ▁and ▁they ▁get ▁to ▁see ▁their ▁baby ▁for ▁the ▁first ▁time . ▁During ▁Jac ' s ▁ 2 0 - week ▁scan , ▁she ▁and ▁Jon ny ▁are ▁informed ▁that ▁their ▁baby ▁has ▁a ▁con gen ital ▁dia ph rag m atic ▁h ern ia , ▁meaning ▁it ▁has ▁a ▁ 5 0 % ▁chance ▁of ▁surv ival ▁after ▁birth . ▁They ▁also ▁told ▁that ▁further ▁tests ▁need ▁to ▁be ▁carried ▁out , ▁before ▁they ▁can ▁talk ▁about ▁their ▁options . ▁ ▁Tem por ary ▁departure ▁ ▁On ▁ 1 1 ▁August ▁ 2 0 1 4 , ▁it ▁was ▁announced ▁that ▁Marcel ▁was ▁pre gn ant ▁with ▁her ▁first ▁child ▁and ▁that ▁Jac ▁would ▁take ▁a ▁break ▁from ▁Hol by ▁City . ▁Jac ▁ex its ▁in ▁the ▁sevent e enth ▁series ▁episode ▁" Go ▁the ▁Dist ance ", ▁originally ▁broadcast ▁on ▁ 1 4 ▁April ▁ 2 0 1 5 , ▁after ▁re unit ing ▁with ▁Jon ny . ▁Thom son ▁also ▁decided ▁to ▁leave ▁the ▁show ▁to ▁return ▁to ▁the atr ical ▁projects . ▁Thom son ▁explained ▁that ▁view ers ▁wished ▁for ▁a ▁" h appy ▁ending " ▁for ▁Jac , ▁which ▁happens ▁through ▁her ▁and ▁Jon ny ' s ▁departure . ▁He ▁thought ▁that ▁it ▁was ▁a ▁perfect ▁conclusion ▁to ▁Jac ▁and ▁Jon ny ' s ▁relationship ▁as ▁they ▁establish ▁their ▁family ▁life . ▁The ▁actor ▁added ▁that ▁Jac ▁and ▁Jon ny ▁have ▁real ised