▁of ▁management ▁of ▁labor ▁and ▁delivery , ▁surg ical ▁approach , ▁and ▁comp lications ▁of ▁S CT . ▁ ▁Serial ▁ul tras ound ▁and ▁M RI ▁monitoring ▁of ▁S CT s ▁in ▁fet uses ▁in ▁u tero ▁has ▁demonstrated ▁that ▁the ▁Alt man ▁type ▁can ▁change ▁over ▁time . ▁ ▁As ▁the ▁tum or ▁grows , ▁it ▁can ▁push ▁between ▁other ▁org ans ▁and ▁through ▁the ▁per ine um ▁to ▁the ▁body ▁surface ▁where ▁the ▁tum or ▁appears ▁as ▁a ▁bul ge ▁covered ▁only ▁by ▁skin . ▁ ▁Sometimes , ▁the ▁tum or ▁bul ge ▁later ▁sli ps ▁back ▁inside ▁the ▁per ine um . ▁ ▁Like ▁all ▁ter atom as , ▁a ▁sac roc oc cy ge al ▁ter at oma ▁has ▁the ▁potential ▁to ▁be ▁m align ant , ▁and ▁the ▁standard ▁of ▁care ▁requires ▁long - term ▁follow up ▁by ▁an ▁on colog ist . ▁ ▁Management ▁of ▁f etal ▁S CT s ▁ ▁Management ▁of ▁most ▁f etal ▁S CT s ▁involves ▁watch ful ▁waiting ▁prior ▁to ▁any ▁treatment . ▁ ▁An ▁often ▁used ▁decision ▁tree ▁is ▁as ▁follows : ▁ ▁Perform ▁detailed ▁ul tras ound ▁exam ▁including ▁f etal ▁e ch oc ardi ogram ▁and ▁Do pp ler ▁flow ▁analysis ▁If ▁f etal ▁high ▁output ▁failure , ▁pla cent om eg aly , ▁or ▁hydro ps ▁If ▁fet us ▁not ▁m ature , ▁perform ▁pre gn ancy ▁term ination ▁or ▁f etal ▁inter vention ▁Else ▁fet us ▁m ature , ▁perform ▁emer gency ▁Ces are an ▁section ▁Else