--- O30.101 Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester

--- O30.102 Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester

--- O30.103 Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester

--- O30.109 Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester