There are two methods of injection: subcutaneous and intramuscular. Generally, there is no obvious clinical reaction after the injection, but if the dose of the injected drug is large, it may cause some stimulation to the ovaries of women and mild abdominal pain, as each person’s physique reacts differently to the pain, most people do not feel the pain. Ovulation will be completed within 48 hours after the injection. If you notice an increase in cervical mucus after the injection, don’t worry too much, it is a normal physiological phenomenon. Women should pay attention to the occurrence of severe abdominal pain after the ovulation injection, because it can easily lead to the occurrence of ascites, making the body electrolyte disorder situation, if not timely treatment, it is easy to have a certain danger. It is recommended to go to the hospital or under the guidance of a doctor to inject the ovulation promotion injection, do not use it by yourself.