Final answer:
The statement regarding undergraduates' sexual activity and condom use is an overestimation and lacks specific supporting data.
Step-by-step explanation:
The statement that almost nine in ten undergraduates are sexually active and most use condoms during vaginal intercourse appears to be an overestimation according to the provided statistics.
While it is evident that youth attitudes towards sex and sexuality are changing, with many acknowledging the impracticality of abstinence until marriage and the acceptance of childbirth out of wedlock, specific statistics about sexual activity rates among undergraduates are not provided.
Sex education in the U.S. has been a point of contention, particularly regarding the effectiveness of abstinence-only programs versus comprehensive education that includes safer sexual practices and contraception.
Research indicates that a majority of Americans favor education about safer sexual practices, with 67 percent believing it's more effective at reducing unintended pregnancies and 69 percent asserting it better reduces the spread of STIs compared to abstinence-only education.
Furthermore, condoms are recognized as the most commonly used form of birth control worldwide and are essential in preventing both pregnancy and the spread of STIs.
However, with typical use, condoms have an 18 percent failure rate, indicating that they cannot completely prevent STI transmission. As a result, the claim that most undergraduates use condoms may be accurate, but the assertion that condom use completely prevents STI transmission is false.
It's important to note that certain STIs may go unnoticed due to mild or nonexistent symptoms, which underscores the importance of regular health screenings in sexually active individuals.
Education on the proper use of condoms and access to various methods of contraception seems to be supported widely, reflecting a societal shift towards more realistic and proactive approaches to sexuality and prevention of unintended outcomes.
Comprehensive sex education is deemed a critical component in reducing STI spread and unintended pregnancies.