Maine was listed as the 6th best state to have a child in. What Makes Maine One of the Best States to Have a Baby in? The scoring was based on four categories: Cost, Healthcare, Baby Friendliness, and Family Friendliness. Maine’s best ranking came in Baby Friendliness, 3rd overall. READ MORE: These 25 Maine Mountains Belong on Every Hiker’s Bucket ListAs for the worst place to have a baby?