Which statements might a pregnant teenager be likely to make at her initial prenatal examination? ...

1,3,4
Rationale 1: Many factors contribute to the high teenage pregnancy rate, and one of them is lack of knowledge about conception.
Rationale 2: A teen whose friends go to clinics for contraception would be more likely to use contraception herself.
Rationale 3: Many factors contribute to the high teenage pregnancy rate, and one of them is a decreased social stigma of being a young and single mother.
Rationale 4: Many factors contribute to the high teenage pregnancy rate, and one of them is a younger age at onset of sexual activity.
Rationale 5: Lack of support from the partner and parents is the norm, especially when the pregnancy is first diagnosed and disclosed.