During the premiere episode, Bri blamed herself for her son's missing arm, which she said last season was a result of amniotic band syndrome, or constricted growth while he was in utero.

Is Braeson missing an arm?

Jaramillo, who became pregnant at 17, is now the proud mother of a 6-month-old son, Braeson, who was born without a left forearm and hand. She tells PEOPLE that while she was shocked hearing the news, she wouldn't change anything about her baby.

Is Danae a girl or boy MTV?

And it's Brianna who has a storyline never before seen on any Teen Mom show: Her boyfriend, Danae, is transgender. This step toward LGBTQ inclusivity couldn't have come at a better time for MTV, actually.