there's no settling him. >> jessica lived her life in rutland, vermont. it's a small town with a secret - the most pregnant heroin addicted women per capital. by age 20 jessica was addicted to heroin and stayed hooked for 10 years. when she found she was pregnant she fixed to a replacement therapy. her new son's withdrawal from the drug was so bad jessica thought he would die. >> he went quiet, his lips turned blue. >> what did you do? >> i picked him up and kind of shook him and whichingle -- breath. >> did your heart jump out of its chest? scared. >> now a toddler, jax appears to be normal, energetic and engaging child. he had to be weaned off. her younger son is also an serboxan baby. this is the ball by clinic. it -- ball by clinic. it provide treatments to mums and babies. >> she comes, and then she doesn't. she likes to be rocked and swayed. that's what we do. >> amy is the clinical nurse manager. giving "america tonight" a rare look at what the babies experience. >> this baby is in withdrawal from opiates. >> in just the last two years, the number