IVF refers to in vitro fertilization, there is no specific value for the total number of injections. IVF usually requires injections such as hypospadias, ovulation injections, progesterone injections, etc. The actual situation of each patient is different, so the overall number of injections will not be the same. IVF is a tedious process and there are many steps that need to be taken in this process and the number of injections is slightly different. When IVF carries out the long program, it needs to take a down regulation shot, however, the long and short-acting down regulation are not the same yet, which are 1 and 14 shots respectively; after that, it also needs to take ovulation stimulation shots, which need to be taken for 10-12 consecutive days, and when a mature follicle is found, then it needs to be given ovulation shots; and it needs to be given progesterone shots to protect the fetus after a successful implantation. IVF antagonist program, usually do not need to play down the injection, but need to play ovulation promotion injection, and after that also need to play chorionic villus promotion injection, after the successful transplantation if the use of lower, is also the need to play progesterone injection. The success rate of IVF is not high, if there is a failure, then you need to wait for a period of time and then do it again, then you need to take multiple injections. So the exact number of injections needed needs to be judged according to the actual situation and the professional doctor’s situation.