A gestation with more than one fertilized egg implanted as a viable fetus in the uterus.
A pregnancy involving twins or higher-order multiple fetuses e.g., triplets, quadruplets).
The condition of carrying two or more fetuses simultaneously.
Twin pregnancy
Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs
Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs first trimester
Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs second trimester
Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs third trimester
Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs unspecified trimester
Twin pregnancy, monochorionic/monoamniotic
Twin pregnancy, monochorionic/monoamniotic first trimester
Twin pregnancy, monochorionic/monoamniotic second trimester
Twin pregnancy, monochorionic/monoamniotic third trimester
Twin pregnancy, monochorionic/monoamniotic unspecified trimester
Conjoined twin pregnancy
Conjoined twin pregnancy first trimester
Conjoined twin pregnancy second trimester
Conjoined twin pregnancy third trimester
Conjoined twin pregnancy unspecified trimester
Twin pregnancy, monochorionic/diamniotic
Twin pregnancy, monochorionic/diamniotic first trimester
Twin pregnancy, monochorionic/diamniotic second trimester
Twin pregnancy, monochorionic/diamniotic third trimester
Twin pregnancy, monochorionic/diamniotic unspecified trimester
Twin pregnancy, dichorionic/diamniotic
Twin pregnancy, dichorionic/diamniotic first trimester
Twin pregnancy, dichorionic/diamniotic second trimester
Twin pregnancy, dichorionic/diamniotic third trimester
Twin pregnancy, dichorionic/diamniotic unspecified trimester
Twin pregnancy, unable to determine number of placenta and number of amniotic sacs
Twin pregnancy, unable to determine number of placenta and number of amniotic sacs first trimester
Twin pregnancy, unable to determine number of placenta and number of amniotic sacs second trimester
Twin pregnancy, unable to determine number of placenta and number of amniotic sacs third trimester
Twin pregnancy, unable to determine number of placenta and number of amniotic sacs unspecified trimester
Triplet pregnancy
Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs
Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs first trimester
Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs second trimester
Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs third trimester
Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs unspecified trimester
Triplet pregnancy with two or more monochorionic fetuses
Triplet pregnancy with two or more monochorionic fetuses first trimester
Triplet pregnancy with two or more monochorionic fetuses second trimester
Triplet pregnancy with two or more monochorionic fetuses third trimester
Triplet pregnancy with two or more monochorionic fetuses unspecified trimester
Triplet pregnancy with two or more monoamniotic fetuses
Triplet pregnancy with two or more monoamniotic fetuses first trimester
Triplet pregnancy with two or more monoamniotic fetuses second trimester
Triplet pregnancy with two or more monoamniotic fetuses third trimester
Triplet pregnancy with two or more monoamniotic fetuses unspecified trimester
Triplet pregnancy, trichorionic/triamniotic
Triplet pregnancy, trichorionic/triamniotic first trimester
Triplet pregnancy, trichorionic/triamniotic second trimester
Triplet pregnancy, trichorionic/triamniotic third trimester
Triplet pregnancy, trichorionic/triamniotic unspecified trimester
Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs
Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs first trimester
Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs second trimester
Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs third trimester
Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs unspecified trimester
Quadruplet pregnancy
Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs
Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs first trimester
Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs second trimester
Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs third trimester
Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs unspecified trimester
Quadruplet pregnancy with two or more monochorionic fetuses
Quadruplet pregnancy with two or more monochorionic fetuses first trimester
Quadruplet pregnancy with two or more monochorionic fetuses second trimester
Quadruplet pregnancy with two or more monochorionic fetuses third trimester
Quadruplet pregnancy with two or more monochorionic fetuses unspecified trimester
Quadruplet pregnancy with two or more monoamniotic fetuses
Quadruplet pregnancy with two or more monoamniotic fetuses first trimester
Quadruplet pregnancy with two or more monoamniotic fetuses second trimester
Quadruplet pregnancy with two or more monoamniotic fetuses third trimester
Quadruplet pregnancy with two or more monoamniotic fetuses unspecified trimester
Quadruplet pregnancy, quadrachorionic/quadra-amniotic
Quadruplet pregnancy, quadrachorionic/quadra-amniotic first trimester
Quadruplet pregnancy, quadrachorionic/quadra-amniotic second trimester
Quadruplet pregnancy, quadrachorionic/quadra-amniotic third trimester
Quadruplet pregnancy, quadrachorionic/quadra-amniotic unspecified trimester
Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs
Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs first trimester
Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs second trimester
Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs third trimester
Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs unspecified trimester
Other specified multiple gestation
Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs
Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs first trimester
Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs second trimester
Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs third trimester
Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs unspecified trimester
Other specified multiple gestation with two or more monochorionic fetuses
Other specified multiple gestation with two or more monochorionic fetuses first trimester
Other specified multiple gestation with two or more monochorionic fetuses second trimester
Other specified multiple gestation with two or more monochorionic fetuses third trimester
Other specified multiple gestation with two or more monochorionic fetuses unspecified trimester
Other specified multiple gestation with two or more monoamniotic fetuses
Other specified multiple gestation with two or more monoamniotic fetuses first trimester
Other specified multiple gestation with two or more monoamniotic fetuses second trimester
Other specified multiple gestation with two or more monoamniotic fetuses third trimester
Other specified multiple gestation with two or more monoamniotic fetuses unspecified trimester
Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses
Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses first trimester
Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses second trimester
Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses third trimester
Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses unspecified trimester
Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs
Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs first trimester
Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs second trimester
Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs third trimester
Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs unspecified trimester
Multiple gestation, unspecified
Multiple gestation, unspecified unspecified trimester
Multiple gestation, unspecified first trimester
Multiple gestation, unspecified second trimester
Multiple gestation, unspecified third trimester