This can cause a lot of endless problems in the life of the teen and the newborn child. There are a lot of things that can cause an unplanned teen pregnancy, such as teens experimenting with sexual encounters at a young age. Another major cause is the lack of guidance due to guardians that are blind or do not want to believe in such activities. These causes can have devastating effects on the teen and the newborn in the household. Some effects of early pregnancy will include an unexpected rise of responsibility for the teen and can cause many health concerns for both teen and newborn child.