At the beginning of the series, she is 15 years old.Upon entering high school, Amy begins a relationship with Ben Boykewich (also 15), a supportive classmate with whom she falls in love.Not knowing this at first, Amy thinks that Jimmy broke up with her because she was a bad kisser, and asks Ricky to kiss her just to be sure.Adrian finds out about the kiss, and sleeps with Ben in order to get back at both of them (however, Adrian believed it was more than a kiss until Ricky informs her after Adrian and Ben's one-night-stand.) Amy and Ben quickly reconcile and get back together around the end of the year.After breaking up with Ben, she develops feelings for Ricky when he comes to visit.She tells him that if he really wants to be with her, he has to stop sleeping around,and get tested for any sexually transmitted diseases or infections.
Ricky reaches out to Amy during this time, saying that he wants to be involved with what happens to the baby.
The show features a regular cast of characters, which began with eleven people in its first season.
Since then, characters have left the show, with new main characters having both been written in and out of the series.
She confesses her pregnancy to her two best friends, Madison and Lauren, who accidentally spread the rumor that Amy had sex with Ricky.
During this time, Amy's 13-year-old sister Ashley discovers her pregnancy due to Amy's recent weight gain and erratic behavior, but promises to keep her secret from their parents.