Teenage unwanted pregnancy manifestations are mainly the following aspects: First, usually menstruation is more regular, recently had no measures to coitus, the current menstruation more than the normal time more than a week did not come, consider the possibility of pregnancy is relatively large. Second, generally if the current more than normal menstrual time more than 10 days menstruation did not come, and at the same time appear dizziness, fatigue, drowsiness, loss of appetite, partiality, nausea, morning sickness and other phenomena, considering the early pregnancy reaction, appear this symptom, consider also the possibility of pregnancy. Early pregnancy reaction is usually around six weeks of pregnancy will appear, and will not appear very early. Third, there will be frequent urination, because the early pregnancy uterus can increase the pressure on the bladder can appear frequent urination, but there will be no urinary pain this situation. Fourth, generally in the eight weeks of pregnancy can appear breast enlargement, nipple enlargement, areola deepening, there will be brown Montgomery’s nodules, breast changes generally appear in 56 days of pregnancy, and will not appear very early. Therefore, the clinical symptoms are not the same, and the hormone level of each person’s body changes differently, the clinical symptoms of the manifestation of a great individual differences. The most important is the symptoms of menopause, if the recent no-measures coitus, more than the normal menstrual period time does not come, this is the most important performance, usually through the blood HCG test to determine, if the index is positive, can be characterized as pregnancy.