Does a Religious Sister Chart Her Cycle? Why Chart? by Kyle Heimann | Sep 2, 2020 | 0 comments What is charting? Sister Ignatia explains charting, how apps can help, and why you should chart even if you aren’t married or using NFP. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.