Reminder: Birth Control Can Only Prevent Teen Pregnancy If It's Used Correctly

Aleah was taking a shot called Depo-Provera and still got pregnant.

'16 And Pregnant' Bonus Scene: Aleah Gives Up Her Dream Of Being A Surgeon

But the teen isn't completely abandoning a career in medicine.

'16 And Pregnant' Poll: Can Aleah And Shawn Make It Work Despite Living Apart?

The couple fought constantly over financial issues, which eventually led to an ultimatum.

'16 And Pregnant' Sneak Peek: Will A Fight Over Finances Tear Two Young Parents Apart?

Aleah storms out on her boyfriend -- and their baby -- during a fight over traffic tickets.

Marriage Doesn't Solve It All When You're '16 And Pregnant'

Karley and Tony said 'I do' before welcoming twin girls, but the young parents still endured relationship issues.

'16 And Pregnant' Bonus Scene: Karley And Tony Can’t Talk Without Fighting

The parents-to-be have a hard time agreeing on...anything.

'16 And Pregnant' Poll: Can Tony Step It Up For His Family's Sake?

Karley's husband made some selfish decisions -- can he learn to put his loved ones first?

'16 And Pregnant' Sneak Peek: Karley's Mom Demands Some Gratitude

How Being '16 And Pregnant' Affects The High School Dropout Rate

'16 And Pregnant' Bonus Scene: Summer Recalls How Lovable Her Mom Can Be

'16 And Pregnant': Is Summer's Mom A Lost Cause?

'16 And Pregnant' Sneak Peek: Summer Accuses Her Mom Of Being 'Messed Up'

'16 And Pregnant': Why Father Involvement Is Crucial To A Child's Development

'16 And Pregnant' Bonus Scene: Arianna Wonders If Her Dad's Absence Influenced Her Mistakes

The teen mom-to-be has a heart-to-heart with her grandmother while working on her fitness.

'16 And Pregnant' Poll: Was Arianna Too Hard On Her Ex?

Despite Arianna's constant pleading, her ex waited until their son was born to start pitching in. Was that fair?

'16 And Pregnant' Sneak Peek: Arianna Fights With Her Ex About Providing For Their Son

Why Family -- And Adult -- Support Is Crucial For Any Girl Who's '16 And Pregnant'

'16 And Pregnant' Bonus Scene: Millina Sees Kayden Smile During An Ultrasound

'16 And Pregnant' Follow-Up: Millina's Mom Finally Meets Baby Kayden! [Photos]

'16 And Pregnant' Poll: Was Millina Wise To Keep Her Distance From Trevor's Mom?

'16 And Pregnant' Bonus Scene: Dustin Nearly Pukes While Watching A Birthing Video

'16 And Pregnant' Supertease: Many More Struggles In Store As Season 5 Continues

'16 And Pregnant': The Lowdown On Child Support Enforcement

'16 And Pregnant' Poll: Did Autumn Do The Right Thing By Filing For Child Support?