{"title":"2019-2021年美国双胞胎出生的变化","authors":"Isabelle Horon, Joyce A Martin","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Objectives-This report describes changes in the number and rate of twin births from 2019 to 2021 by month and year of birth and age and race and Hispanic origin of the mother.</p>","PeriodicalId":35088,"journal":{"name":"National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System","volume":"71 9","pages":"1-11"},"PeriodicalIF":0.0000,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Changes in Twin Births in the United States,2019-2021.\",\"authors\":\"Isabelle Horon, Joyce A Martin\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Objectives-This report describes changes in the number and rate of twin births from 2019 to 2021 by month and year of birth and age and race and Hispanic origin of the mother.</p>\",\"PeriodicalId\":35088,\"journal\":{\"name\":\"National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System\",\"volume\":\"71 9\",\"pages\":\"1-11\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"Social Sciences\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"Social Sciences","Score":null,"Total":0}
Changes in Twin Births in the United States,2019-2021.
Objectives-This report describes changes in the number and rate of twin births from 2019 to 2021 by month and year of birth and age and race and Hispanic origin of the mother.