The price of chorionic gonadotropin injection is around 30-40 RMB per box, but different hospitals charge different rates, so it is best to choose the right dosage of the drug according to your specific situation. Chorionic gonadotropin injection is a drug used to promote ovulation, if not used properly it can affect ovulation and cause side effects, such as ovarian hyperstimulation syndrome, ascites, etc. The normal use of chorionic gonadotropin injection is 6 consecutive injections, only when the follicle reaches 1.8-2.5 is it mature, and ovulation is 24-48 hours after the injection. Because each person has a different body type and sensitivity to drugs, the time of ovulation may vary. Only when the follicles are mature can you arrange intercourse in time to improve your chances of pregnancy.