do not teach safe sex, adolescents will refrain from sex. as the data concludes from above that compared to the other developed countries the u.s. is four times as likely to have a teen pregnancy. yet the u.s. also uses less contraceptive, has more abortions and more prevalence of sexually transmitted diseases than the other developed countries. quality of sex education varies across the u.s, with some states offering more comprehensive education than others. 39 states require "some" education related to sexuality. 21 states are required by law to teach sexuality and std education. 17 states only require the teaching of stis. 11 states have no requirement. modern decline although there is a noticeable decline in u.s. teen pregnancy, the current rate is three to four times more than in canada, france, great britain, and sweden. the biggest difference in the rate of pregnancies in the united states compared to other countries is that there is a very high unintended pregnancy rate in america. this unintended pregnancy rate is higher than the total teenage pregnancy rate in all of the four countries. in 2010 there was a rate of 57 pregnancies per 1,000 girls aged 15–19. most of those girls reported that it was an unplanned pregnancy. this shows a 15% drop in pregnancies from 2008 to 2010. there is a huge decline in adolescent pregnancy for the nation as a whole. the cause of these declines are from abstaining from sex or better use of contraceptives. birth rates among younger teens ages 15–17 have also fallen faster – dropping by 50%, compared with a 39% decline among older teens ages 18 and 19. researchers have concluded that these declines stem from improvement in use of contraceptives. in 2022 research institute child trends found that teen birth in the united states had vastly reduced in the previous 30 years. intentional teen pregnancy according to the journal of pediatric health care, approximately 15% of all adolescent pregnancies are planned. based upon interviews conducted with pregnant teenagers, there are particular themes based upon wants and needs. some of the wants expressed by teens includes, "(a) the desire to be or be perceived as more grown up, with increased responsibility, independence and maturity; (b) a long history of desiring pregnancy and the maternal role; c) never having had anything to call their own and wanting something to care for and love and (d) the pregnancy was the natural next step in their life or their relationship with their boyfriend." in the same study, it was concluded that no one should assume that a teenage pregnancy was an accident or unwanted as some have been proven to be planned. reality television shows and teen pregnancy reality television shows featuring teen pregnancy have become increasingly popular over the last few decades. mtv's 16 and pregnant was very popular between the years of 2009-2014. the show featured a different teenage mother each episode and documented most of their pregnancy and a short period after birth. the show and network saw success and went on to produce multiple spin off series including: teen mom, teen mom 2, teen mom 3, teen mom: young and pregnant. tlc has also engaged in producing this type of content with their television series unexpected. the results of a study performed for the journal of health communication, suggest that young women who watched shows such as 16 and pregnant did report a lower perception of their own risk for pregnancy. the girls also reported predicting the behaviors and intentions that result in teenage pregnancy.