Ovitrop 75IU Injection is used to treat female infertility. It contains Urofollitropin which works by increasing oestrogen production that stimulates the development of the egg and mature follicles. In some cases, this medicine may cause side effects such as headache, stomach pain, nausea, vomiting, pelvic pain, and hot flushes. Inform the doctor if you are pregnant or breastfeeding, taking any other medication, or have any pre-existing medical conditions.