Ben thinks Adrian is lying about being pregnant and doesn't act like himself. Elsewhere, Jack finds out his family is moving and thinks about not moving with. Also, Ashley has a talk with her doctor about birth control.
Amy is accepted into a music program in New York but, she worries it is too far away to actually be able to go. Elsewhere, Jack must find a place to live after he decides not to move with his parents.
Ben decides to try his hardest not to tell Amy about his secret. Amy realises she may have a chance to go on her music course after all.
Whilst Amy is away Ricky moves into the Juergens' home, which doesn't go down too well with Anne and George.
Bristol Palin guest stars on "The Secret Life of The American Teenager" in the episode 'Which Way Did She Go'. While Amy is in New York for a music program, a rumor spreads that she is pregnant again. Meanwhile Adrienne decides that she does not want to keep the baby, but he parents are at odds at who's decision it is. Ricky is adjusting to living with the Juergens and has an intimate moment with Ashley, and Tom and Jack become roommates.
Adrian's choice about her pregnancy goes around and it seems Amy is the only one who still doesn't know.
Ben goes to New York to tell Amy about Adrian before anyone else tells Amy, meanwhile Ricky talks to his mother.
Amy offers guidance and support to Adrian. Meanwhile, George plans a romantic night with Anne. Also, Ricky asks for help from Ruben.
While, Grace tries to find a boyfriend for Griffin, Ashley now has feelings for both Grant and Ricky.
Ricky takes John to visit my in New York. Meanwhile, Ben goes with Adrian to a sonogram appointment.
Ben and Adrian are thinking about engagement but both have Ricky and Amy in mind when making their decisions while Amy's parents tell her that they plan to remarry. In New York, Amy's fellow teenage mothers take her out for her birthday.
Amy is upset that her family and friends forget her birthday in her absence and Adrian has a scare when she has an emergency exam regarding her pregnancy.
As Grant and Grace grow, Amy and Ricky try to find out if they should be a couple.
Amy and Anne think that George is being unfaithful again. Meanwhile, Amy goes out with Ricky; and Grace and Grant prepare for camp.
Amy wants Ricky to get tested for various STDs, after she sees him talking to someone he used to date. Ben and Adrian's baby's gender is revealed. Amy considers having sex with Ricky.
Jesse makes some decisions about his and Lauren's relationship, now that he is headed for college. Madison becomes interested in a new guy... her boss who is in his mid-20s. Grant tells Grace that he wants her to be tested for STDs before they consider having sex.
Ricky finds out that his mother is dating a woman, Ashley's homeschooling isn't going very well, and Ben asks Ruben and Cindy a question.
Both Amy and Ricky feel under pressure now that Ben has proposed to Adrian, which causes Amy to suggest taking their relationship to the next level. Ben suggests an alternative to a big wedding to Adrian, and Lauren's mother and step-father are having problems.
Ashley starts being homeschooled. Ben and Adrian look for a place to live. Grace worries about the future regarding her relationship with Grant. Jack & Madison take a break from sex. Lauren is crushing on a new guy.
No one is happy about Amy's plans to move in with Ricky - including Ricky. Leo encourages Ricky to think about college, and Anne accuses Amy of rushing things with Ricky as a way of competing with Ben and Adrian.
Grace and Adrian shop for a wedding dress, and Amy is cornered into planning a baby shower for Adrian. Grace and Grant have relationship problems.
The entire town is in an uproar over Adrian's impending baby shower.
Adrian hosts a baby shower. Lauren, Madison, Amy, and Grace all attend. Ricky finds out that Leo is having problems with stress.
Adrian and Ben both have second thoughts about their upcoming wedding; George continues meddling in his daughters lives.
Amy gets mad when Ricky let's Jack use his apartment; Adrian is getting nervous about the baby.
Adrian and Ben prepare for the imminent arrival of their daughter. When Adrian experiences discomfort, the couple - believing she is about to go into labor - are instructed by their doctor to leave for the hospital.