I've seen posts that have "ticker warning" i the subject line - what does that mean?

Baby #1 BFP 6/10/2011-EDD 2/19/2012-DS Born 2/10/2012!

CP BFP 1/6/2013-EDD 9/19/2013-CP 1/9/2013

Baby #2 BFP 1/3/2014-EDD 9/12/2014 -DD Born 9/10/2014!

Baby #3 BFP 7/8/2018-EDD 3/17/2019-Team Green!
Re: what's ticker warning?
If I'm notmistaken it's a warning of a pregnancy ticker and/or child ticker to those who've lost or are sensitive to it so that they don't have to see it or they can prepare to see one. It's a respect thing.
"When the world says, 'Give up,' Hope whispers, 'Try one more time.'" -Anonymous