Pubescence is the term for the physical and emotional changes that occur during puberty.

The average age at which girls reach menarche is 12-14 years.

The average age at which boys experience spermarche is 12-14 years.

The most effective method of contraception is the intrauterine device (IUD).

Chlamydia is the most common sexually transmitted infection (STI) among adolescents.

The best way to prevent sexually transmitted infections (STIs) is abstinence.

The recommended age for adolescents to start receiving the HPV vaccine is 9-12 years.

The most common cause of unintended pregnancy among adolescents is all of the above.

The potential consequences of unintended pregnancy among adolescents are all of the above.

The key components of comprehensive sex education for adolescents are all of the above.

The role of parents and caregivers in promoting reproductive health among adolescents is all of the above.

Some of the challenges to providing reproductive health services to adolescents are stigma and discrimination, lack of access to healthcare, lack of confidentiality, and all of the above.

Some of the strategies to overcome the challenges to providing reproductive health services to adolescents are education and awareness campaigns, improving access to healthcare, ensuring confidentiality, and all of the above.

The role of schools in promoting reproductive health among adolescents is all of the above.

The role of communities in promoting reproductive health among adolescents is all of the above.