How painful is in vitro fertilization? In vitro fertilization is a common technique for treating infertility, with increasing success rates, but it also comes with pain and discomfort. This article will introduce the discomfort during the IVF process from many aspects to help everyone better understand and cope with this process. 1. Discomfort and pain caused by drug injections Under normal circumstances, women will only release one mature egg every month, but in vitro fertilization