1.       Owing to our wide distribution network, we have been able to offer superior grade Certotide Injection. 2.       Since 2012, we have been engaged in providing high grade Certotide Injection.   Cetrorelix is used to prevent premature ovulation in women undergoing ovarian stimulation. It blocks the effects of gonadotropin-releasing hormone (GnRH). GnRH controls the secretion of another hormone, called luteinizing hormone (LH), a hormone that starts ovulation (release of an egg) during the menstrual cycle.