It may refer to the manufacturer. Search MBI and doll and you will see a search result for a company called MBI, Inc. They have been around since 1969.
Smoking during pregnancy reduces the growth and health of babies and increases the risks of a number of complications and illnesses for both the mother and baby. Babies born to women who smoke during pregnancy have a greater chance of premature birth, low birth weight, stillbirth and infant mortality.
Often, the specific cause of premature birth isn't clear. Many factors may increase the risk of premature birth, however, including: 1  Having a previous premature birth. 2  Pregnancy with twins, triplets or other multiples. 3  An interval of less than six months between pregnancies. 4  Conceiving through in vitro fertilization.