Symptoms of successful preparation for pregnancy: First, clinical history of menopause, if menstruation was regular in the past and suddenly appeared to stop, it is likely to have been pregnant. Second, by measuring the basal body temperature, if the high temperature will last for more than half a month, the success of pregnancy will be very high in the clinic. Thirdly, if menstruation was regular in the past, it is often possible to detect pregnancy through blood HCG after menopause. If the first day of menstruation to the first day of the next month has not come menstruation, you can draw blood to check blood HCG to know whether it has been pregnant. So the symptoms of pregnancy preparation that has been successful are a history of menopause, elevated basal body temperature lasting more than 15 days, and in addition can be detected by blood HCG.