Excludes:conjoined twins causing disproportion (O33.7)
delayed delivery of second twin, triplet, etc. (O63.2)
malpresentation of one fetus or more (O32.5)
with obstructed labour (O64-O66)
O31.0
Papyraceous fetus
Fetus compressus
O31.1
Continuing pregnancy after abortion of one fetus or more
O31.2
Continuing pregnancy after intrauterine death of one fetus or more
O31.8
Other complications specific to multiple gestation