App Ends at 40 + 3???

Linda • Mama of 2 girls, and new baby on the way!
What the heck????
Why does this app stop tracking at 40 weeks????
If there is anywhere I would expect to find support and understanding that not all pregnancies end at 40 weeks it would be here. It's not enough that I have to battle my doctor against unnnecessary induction but now this? 
What a disappointment. 
😒