(Reuters) -The number of births in the United States grew 1% in 2021 from a pandemic low in 2020, marking the first increase since 2014, according to a report by the U.S. Centers for Disease Control and Prevention (CDC). The report said 3,659,289 babies were born last year, with the increase driven by women between 25 and 49 years. While the fertility rate and the number of births in 2021 has increased, they are still below 2019 levels, said Brady Hamilton, statistician at the National Center for Health Statistics of the CDC. Americans had the lowest of babies in more than four decades in 2020…