diff --git a/readme.md b/readme.md
index 005fd93..bd93447 100644
--- a/readme.md
+++ b/readme.md
@@ -1,3 +1,6 @@
+/!\ not maintained /!\
+* This is not anymore a good method too calculate the down probability. Consult a specialist. *
+
 # down-probability-maternal-age
 
 [![Build Status](https://travis-ci.org/MathRobin/down-probability-maternal-age.svg)](https://travis-ci.org/MathRobin/down-probability-maternal-age)