A deep and light test before menstruation means that you are pregnant, and a double red bar on the morning pregnancy test means that the value of human chorionic gonadotropin in the body is relatively high, but false positives can’t be ruled out. At this time, we should promptly consult the doctor to improve the blood progesterone value, blood human chorionic gonadotropin value, uterine adnex ultrasound and other examinations to clarify whether there is a gestational sac in the uterine cavity, if there is a gestational sac, it means that the pregnancy is already pregnant. After pregnancy, you should actively do a good job of fetal education, regular obstetric examination, to ensure adequate intake of nutrients, to ensure the healthy growth of the fetus. At the same time, improve the Down’s syndrome screening and fetal four-dimensional ultrasound, to prevent the occurrence of congenital malformations of the fetus.