Iodine deficiency during pregnancy may result in cretinism (mental retardation in children), deafness, autism, and delayed brain development and is the leading cause of preventable mental retardation. As the bodyâs iodine levels fall, hypothyroidism may develop, since iodine is essential for making thyroid hormone. While this is uncommon in the United States, iodine deficiency is the most common cause of hypothyroidism worldwide.
1 Practice nursing for a minimum of 960 hours during the previous five years. 2  Successfully complete an approved re-entry program within the two years preceding renewal. 3  Graduate from an OSBN-approved nursing program within the past five years.
The first step to becoming a licensed practical nurse (LPN) is completion of an accredited LPN program. There are many programs from which to choose. When making your decision, you will want to consider the length of each program. The average duration of an LPN program is 12 to 18 months.There are several considerations that can determine the length and type of the program you choose.ariable Hour Programs. Although 12 to 18 months is typical for an LPN program, there are options to complete the courses more quickly. You may choose to attend a program that finishes in less than a year.