The report [cdc.gov], published Wednesday, showed that birth rates declined for nearly all age groups of women younger than 35 but rose for women in their late 30s and early 40s.
From 2017 to 2018, the birth rate dropped 7% among teenagers aged 15 to 19; 4% among women 20 to 24; 3% among women 25 to 29; and 1% among women 30 to 34, according to the report.
The birth rate rose 1% among women aged 35 to 39 and 2% among women 40 to 44. The rate for women 45 to 49, which also includes births to women 50 and older, did not change from 2017 to 2018.
On the other hand, there have been recent studies [wiley.com] that indicate children born to older women enjoy better long term academic and professional success.