2胎懷孕7個半月羊水偏多，胎頭明顯2胎懷孕7個半月羊水偏多，胎頭明顯大於實際孕周胎兒BPD:9.3CM脊柱排列規整胎心搏動規律，胎盤位於後壁I+2級FL:6.1CM羊水最深約9.1CM臍動脈S/D2.1
2胎懷孕7個半月羊水偏多，胎頭明顯2胎懷孕7個半月羊水偏多，胎頭明顯大於實際孕周胎兒BPD:9.3CM脊柱排列規整胎心搏動規律，胎盤位於後壁I+2級FL:6.1CM羊水最深約9.1CM臍動脈S/D2.1
是