After 2000mIU/ml HCG injection, the patient’s blood value will not change too much, HCG injection only plays a role in promoting follicle discharge or fertility preservation, will not affect the patient’s own blood level of HCH, after a few days to recheck the blood, the value will not change too much. HCG injections are as follows: 1, to promote follicle growth: if a woman is unable to conceive naturally and choose to give birth to a child via If a woman is unable to conceive naturally and then chooses to give birth through IVF transplantation, HCG injection can usually be used to improve the synchronization of follicular development, in order to get more synchronous development of mature follicles; 2. Promote ovulation: If a woman has ovulation dysfunction, she can take clomiphene citrate capsules under the guidance of a professional doctor, and her eggs can develop and mature, but they cannot be normally ruptured and discharged from the ovary, and then she needs to take HCG injection in order to promote the rupture of follicles, and help the patient to conceive. 3. To help patients conceive; 3. Fertility preservation: If HCG value grows slowly during pregnancy, women can also take HCG injection to achieve significant growth in a short period of time, so as to play a certain role in fertility preservation treatment to avoid the embryo from stopping development. Therefore, HCG injections only play a role in promoting the safe implantation of fertilized eggs or facilitating conception, and the quality of the embryo is still mainly dependent on its own hormone secretion, embryo development and other decisions. Since there will be a positive reaction after the injection, it is necessary to carry out laboratory tests after 3-7 days and pay attention to the diet during the interval, avoid spicy, stimulating and indigestible food, and ensure good rest and avoid staying up late.