Answer: One factor is having the child raised around or in a negative environment.
Another factor is not uplifting the child. Disrespecting and/or belittling the child can cause low self-esteem which could tag along for the rest of the kid's life .
The answer is definitely 3
Or above. Because there are two person needed. The fetus and the mother. The fetus need nutrient to develop in the mother's uterus.