Introduction In this post, I share what the science says about lichen sclerosus and pregnancy. Specifically, I look at treatment during pregnancy, risks and benefits of treating during pregnancy, and delivery. *This post is evidence-based; I draw on the medical literature to share what you need to know about pregnancy and lichen sclerosus. Importantly, what I share is my interpretation of the science and data. A Note on the Science of Lichen Sclerosus and Pregnancy We are all about transparency here at Lichen Sclerosus Support Network. What does that mean? That means we are always as honest as possible about the information and guidance we provide to our LS community. Thus, in the spirit of transparency, I want to note that there is not much research on lichen sclerosus and pregnancy. Of the few studies available, many are case studies (which are less robust than randomized controlled trials (RCTs)). Further,…