Birth multiple | Multiple gestation | Multiple gestation, unspecified | Multiple pregnancy | Multiple pregnancy affecting fetus or newborn | Other specified multiple gestation | Other specified multiple gestation, antepartum condition or complication | Other specified multiple gestation, delivered | Other specified multiple gestation, unspecified as to episode of care | Pregnancy multiple | Quadruplet pregnancy | Quadruplet pregnancy, antepartum condition or complication | Quadruplet pregnancy, delivered | Quadruplet pregnancy, unspecified as to episode of care | Triplet pregnancy | Triplet pregnancy, antepartum condition or complication | Triplet pregnancy, delivered | Triplet pregnancy, unspecified as to episode of care | Unspecified multiple gestation | Unspecified multiple gestation, antepartum condition or complication | Unspecified multiple gestation, delivered | Unspecified multiple gestation, unspecified as to episode of care | Pregnancy, Multiple | Multiple Pregnancy | Multiple Pregnancies | Pregnancies, Multiple |