A baby wasn’t supposed to be in Amber Portwood’s picture. Nine years after welcoming Leah at age 18, the star of MTV’s Teen Mom OG (season 7 premieres November 27, 9 p.m.) knew she couldn’t get pregnant. Diagnosed with borderline personality disorder and bipolar disorder meant she had to be on medication that could harm a … Continue reading Amber Portwood: Why I Changed My Mind About Having Another Baby