Second pregnancy early symptoms will appear menstrual delay, dizziness, drowsiness, general weakness, if in the breastfeeding period is also prone to cause a decrease in the amount of milk, about six weeks pregnant is also prone to nausea, vomiting and other symptoms, if there is no contraception it is best to go to the hospital for an early pregnancy test. After determining the pregnancy, pay attention to rest, strengthen diet and nutrition, do not exercise strenuously, do not cohabit, because early pregnancy fetal development is unstable, easy to cause the symptoms of miscarriage. In addition, the first three months of pregnancy is the critical period of the development of the baby, do not take drugs, do not contact with things with radiation, so as not to cause fetal malformation. Early pregnancy need to reasonably supplement folic acid, at the same time, it is recommended to pay attention to relaxation, can prevent fetal deformity.