ZyhCG 5k is an active suspension of the Human chorionic gonadotropin (HCG) hormone that works effectively works to make a woman fertile to conceive. This hormonal injection helps to stimulate the maturation of the luteinizing hormone. The ZyhCG 5k shot works when more than one follicles are present will act to boost the release of egg in the fallopian tube. Afterward, procedures such as intrauterine insemination or sexual activity work to establish a pregnancy. This injection works to stimulate ovulation in women.