How to track period/lack of in Glow

Is there a way I can let the <a href="https://play.google.com/store/apps/details?id=com.glow.android">Glow app</a> know that I'm currently not getting a period due to having a baby/breastfeeding? I've had a period 3 times in the past year and a half, but I'd still like to track sex and everything. Is this possible to let the program know?