he tells Shots, is "less sex and more contraception possibly due to a combination of factors including government investment in sex ed programs, a bump in the number of teens using long-acting forms of birth control, and even, mTV shows like. All galleries and links are provided by 3rd parties. Rajan says it's "an overall great thing" that improvements in contraception and in reproductive technology have offered women more flexibility in when to have kids. Since 2000, the proportion of first-time births to women older than 30 and 35 each increased by a few percentage points. Bill Albert with the National Campaign to Prevent Teen and Unplanned Pregnancy calls the drop "one of the nation's great unheralded success stories of the past two decades." Overall, he says the teen pregnancy rate has halved since its peak in 1990, declining in all. The average age increased half a year for moms of Cuban descent, for example, while for non-Hispanic black moms it increased by about two years. In the last 45 years, the mean age of first-time moms has gone up by five years from.4 years old.3. All models on m are 18 years or older. Is far from the top when it comes to pushing the age-at-first-birth limit. We take no responsibility for the content on any website which we link to, please use your own discretion while surfing the links. January 14, 201612:03 AM ET, in 2000, first-time moms were, on average, 25 years old when they gave birth. This site is rated with RTA label.