Strid Penelope, Simeone Regina M, Hall Rebecca, Meeker Jessica R, Ellington Sascha R
Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, the Coronavirus and Other Respiratory Viruses Division and the Influenza Division, National Center for Immunization and Respiratory Diseases, and the Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia; and the Commissioned Corps of the U.S. Public Health Service, Rockville, Maryland.
Obstet Gynecol. 2025 Jan 1;145(1):e11-e13. doi: 10.1097/AOG.0000000000005750. Epub 2024 Oct 3.
Knowing the approximate number of women of reproductive age (ie, 15-49 years) who are pregnant at a point in time in the United States can aid in emergency preparedness resource allocation. The Centers for Disease Control and Prevention (CDC) released a pregnancy estimator toolkit in 2012, which could be used to estimate the number of pregnant people in a geographic area at a point in time. This original toolkit did not account for pregnancy losses before 20 weeks of gestation; however, an updated toolkit released by the CDC in May 2024 uses a ratio of live births to estimate the number of pregnancy losses before 20 weeks at a point in time for improved estimation of total pregnant people at a point in time.
We used the CDC's updated reproductive health tool, "Estimating the Number of Pregnant Women in a Geographic Area."
Using publicly available data for 2020, we gathered the necessary input values, including total births, fetal deaths, and induced abortions, and applied the equation available in the CDC toolkit to estimate the number of pregnant people in the United States at any point in time in 2020.
In 2020, there were 75,582,028 women of reproductive age in the United States, and we estimate that approximately 2,962,052 or 3.9% of women of reproductive age were pregnant at any point in time in the United States.
了解美国某个时间点处于育龄期（即15至49岁）的孕妇大致数量，有助于应急准备资源的分配。疾病控制与预防中心（CDC）于2012年发布了一个妊娠估算工具包，可用于估算某个时间点特定地理区域内的孕妇数量。这个原始工具包没有考虑妊娠20周前的妊娠丢失情况；然而，CDC于2024年5月发布的更新工具包使用活产比例来估算某个时间点妊娠20周前的妊娠丢失数量，以改进对某个时间点总孕妇数量的估算。
我们使用了CDC更新后的生殖健康工具“估算地理区域内孕妇数量”。
利用2020年的公开数据，我们收集了必要的输入值，包括总出生数、死胎数和人工流产数，并应用CDC工具包中的公式来估算2020年美国任何时间点的孕妇数量。
2020年，美国有75582028名育龄期女性，我们估计在美国任何时间点，约有2962052名或3.9%的育龄期女性怀孕。
