The next day, the early pregnancy test paper will show two obvious red lines, the chorionic gonadotropin is chorionic gonadotropin, abbreviated as HCG. playing chorionic gonadotropin can stimulate the development of follicles in the ovary and promote the mature follicles to discharge, used in polycystic ovary syndrome, ovulation disorders and other infertility treatments. After 2000 HCG shot blood HCG rise rapidly, urine will also appear a certain amount of HCG, in the next day early pregnancy test paper test will appear two red lines, manifested as a strong positive reaction, which does not indicate that it is a pregnancy reaction, it is the effect of the drug. If fertilization occurs after this, HCG in blood and urine will gradually rise, and the early morning pregnancy test paper will gradually deepen. If there is no ovulation and fertilization is not successful, HCG in blood and urine will gradually be excreted at a lower level, and the early pregnancy test paper will gradually fade and finally return to normal. If a pregnancy reaction occurs after the injection of 2000 chorionic villus, it is recommended to actively go to the hospital for consultation.