Teenage pregnancy is defined as a pregnancy in a woman who is 19 years of age or younger. A teenage pregnancy can be a very difficult thing for a young woman to deal with. There are many physical and emotional changes that occur during pregnancy, and it can be hard to cope with these changes while also dealing with the everyday challenges of being a teenager. teenage pregnancy can also lead to financial difficulties, as the young woman may have to drop out of school or work to care for her child. Additionally, teenage mothers are at an increased risk for health complications during pregnancy and childbirth.